CN110278479B - Picture display method and television - Google Patents
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- CN110278479B CN110278479B CN201910483385.4A CN201910483385A CN110278479B CN 110278479 B CN110278479 B CN 110278479B CN 201910483385 A CN201910483385 A CN 201910483385A CN 110278479 B CN110278479 B CN 110278479B
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- 238000012545 processing Methods 0.000 claims abstract description 30
- 238000004891 communication Methods 0.000 claims description 22
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000009877 rendering Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 230000006870 function Effects 0.000 description 19
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- 238000011423 initialization method Methods 0.000 description 2
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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
- H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
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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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
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Abstract
The embodiment of the invention discloses a picture display method and a television, relates to the field of household appliances, realizes picture display on a video layer without depending on television program providers, and enhances the picture display effect. The specific scheme is as follows: receiving an instruction of a user for checking a picture in picture application, acquiring a path corresponding to the picture, decoding according to the path to obtain data of the picture, drawing the data of the picture on a drawing canvas according to set size information and position information, processing the image quality of a video layer by adopting preset image quality parameters, and calling a corresponding interface to display the drawn picture on the processed video layer. The embodiment of the invention is used in the process of displaying the picture by the television.
Description
Technical Field
The embodiment of the invention relates to the field of household appliances, in particular to a picture display method and a television.
Background
At present, when a user needs to watch a picture in an application installed On a television, the television can Display the picture On a graphics layer (OSD) through an Image View (Image View) control, but the picture displayed On the graphics layer has low definition and cannot be subjected to Image quality processing such as color and the like, so that the picture Display effect is poor. Alternatively, the television may call an interface of a television program provider to display the picture on a Video (Video) layer, and although this method can perform image quality processing on the picture, the method may cause the application to depend on the program provider.
Disclosure of Invention
The invention provides a picture display method and a television, which realize the display of pictures on a video layer without depending on television program businessmen and enhance the display effect of the pictures.
In order to achieve the purpose, the invention adopts the following technical scheme:
in a first aspect, the present invention provides a method for displaying a picture, which may include: receiving an instruction of a user for viewing a picture in a picture application; acquiring a path corresponding to the picture; decoding according to the path to obtain data of the picture; drawing picture data on a drawing canvas according to the set size information and the set position information; processing the image quality of the video layer by adopting preset image quality parameters; and calling a corresponding interface to display the drawn picture on the processed video layer.
With reference to the first aspect, in a possible implementation manner, the drawing data of the picture on the drawing canvas specifically may include: and when an instruction of selecting the video layer display by the user is received, drawing the data of the picture on the canvas.
With reference to the first aspect and the foregoing possible implementation manners, in another possible implementation manner, the method may further include: when an instruction that a user selects graphic layer display is received, adjusting the size and the position of a picture according to the size of a screen of a television; and displaying the data of the picture with the adjusted size and position on the graphic layer.
With reference to the first aspect and the foregoing possible implementation manners, in another possible implementation manner, before the displaying, by the processed video layer, the drawn picture, the method further includes: and converting the drawn picture data into data in a specified format.
In a second aspect, the present invention provides a television set, which may include: the device comprises a receiving unit, an acquisition unit, a decoding unit, a drawing unit, a processing unit and a display unit. And the receiving unit is used for receiving an instruction of a user for viewing the picture in the picture application. And the acquisition unit is used for acquiring the path corresponding to the picture. And the decoding unit is used for decoding according to the path to obtain the data of the picture. And the drawing unit is used for drawing the data of the picture on the drawing canvas according to the set size information and the set position information. And the processing unit is used for processing the image quality of the video layer by adopting preset image quality parameters. And the display unit is used for calling the corresponding interface to display the drawn picture on the processed video layer.
With reference to the second aspect, in a possible implementation manner, the drawing unit is specifically configured to: and when an instruction of selecting the video layer display by the user is received, drawing the data of the picture on the canvas.
With reference to the second aspect and the foregoing possible implementation manners, in another possible implementation manner, the processing unit is further configured to adjust the size and the position of the picture according to a screen size of the television set when receiving an instruction that the user selects the graphic layer display. And the display unit is also used for displaying the data of the picture with the adjusted size and position on the graphic layer.
With reference to the second aspect and the foregoing possible implementation manners, in another possible implementation manner, the television may further include: and a conversion unit. And the conversion unit is used for converting the data of the drawn picture into data in a specified format.
The specific implementation manner may refer to the behavior function of the television in the picture display method provided by the first aspect or the possible implementation manner of the first aspect.
In a third aspect, a television is provided, which includes: at least one processor, a memory, a communication interface, and a communication bus. The processor is connected with the memory and the communication interface through a communication bus, the memory is used for storing computer execution instructions, and when the television runs, the processor executes the computer execution instructions stored in the memory, so that the television executes the picture display method according to the first aspect or any one of the possible implementation manners of the first aspect.
In a fourth aspect, a computer storage medium is provided, on which computer executable instructions are stored, and when the computer executable instructions are executed on a television, the television is caused to execute the picture display method according to the first aspect or any one of the possible implementation manners of the first aspect.
According to the picture display method provided by the invention, when a user needs to check a certain picture in picture application, the television can obtain corresponding data according to the path of the picture, draw the data of the picture on the canvas according to the set size information and the set position information, process the image quality of the video layer by adopting the preset image quality parameters, and finally display the drawn picture on the processed video layer. Therefore, the picture data is drawn by calling the drawing canvas, and the corresponding interface is called for displaying, so that the picture is displayed on the video layer without depending on a television scheme provider. And image quality parameters can be adopted to carry out image quality processing before the picture is displayed on the view screen layer, so that the display effect of the picture is enhanced.
Drawings
Fig. 1 is a schematic composition diagram of a television according to an embodiment of the present invention;
fig. 2 is a flowchart of a picture display method according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an architecture of a picture display according to an embodiment of the present invention;
fig. 4 is a schematic composition diagram of another television set according to an embodiment of the present invention;
fig. 5 is a schematic composition diagram of another television set according to an embodiment of the present invention;
fig. 6 is a schematic composition diagram of another television set according to an 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.
Fig. 1 is a schematic composition diagram of a television according to an embodiment of the present invention, and as shown in fig. 1, the television may include: at least one processor 11, a memory 12, a communication interface 13, and a communication bus 14.
The following describes each component of the tv set in detail with reference to fig. 1:
the processor 11 is a control center of the television, and may be a single processor or a collective term for multiple processing elements. For example, the processor 11 is a Central Processing Unit (CPU), an Application Specific Integrated Circuit (ASIC), or one or more Integrated circuits configured to implement embodiments of the present invention, such as: one or more Digital Signal Processors (DSPs), or one or more Field Programmable Gate Arrays (FPGAs).
In particular implementations, processor 11 may include one or more CPUs, such as CPU0 and CPU1 shown in FIG. 1, for example, as one embodiment. Also, as an example, a television may include multiple processors, such as processor 11 and processor 15 shown in FIG. 1. Each of these processors may be a Single-Core Processor (CPU) or a Multi-Core Processor (CPU). A processor herein may refer to one or more devices, circuits, and/or processing cores for processing data (e.g., computer program instructions).
The Memory 12 may be a Read-Only Memory (ROM) or other types of static storage devices that can store static information and instructions, a Random Access Memory (RAM) or other types of dynamic storage devices that can store information and instructions, an Electrically Erasable Programmable Read-Only Memory (EEPROM), a Compact Disc Read-Only Memory (CD-ROM) or other optical Disc storage, optical Disc storage (including Compact Disc, laser Disc, optical Disc, digital versatile Disc, blu-ray Disc, etc.), a magnetic Disc storage medium or other magnetic storage device, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer, but is not limited to such. The memory 12 may be self-contained and coupled to the processor 11 via a communication bus 14. The memory 12 may also be integrated with the processor 11.
In a specific implementation, the memory 12 is used for storing data in the present invention and software programs for executing the present invention. The processor 11 may perform various functions of the television set by running or executing software programs stored in the memory 12 and calling up data stored in the memory 12.
The communication interface 13 is any device such as a transceiver for communicating with other devices or communication Networks, such as a Radio Access Network (RAN), a Wireless Local Area Network (WLAN), and the like. The communication interface 13 may include a receiving unit implementing a receiving function and a transmitting unit implementing a transmitting function.
The communication bus 14 may be an Industry Standard Architecture (lSA) bus, a Peripheral Component Interconnect (PCI) bus, an Extended Industry Standard Architecture (EISA) bus, or the like. The bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown in FIG. 1, but it is not intended that there be only one bus or one type of bus.
In order to display a picture on a video layer and enhance the display effect of the picture without depending on a television program provider, the embodiment of the invention provides a picture display method, which is suitable for a television set provided with an MStar chip. As shown in fig. 2, the method may include:
201. and receiving an instruction of a user for viewing the picture in the picture application.
Wherein, the picture application can be a media center application or an art gallery application. When a user needs to view a certain picture in the picture application, the picture can be operated, and the television can receive an instruction of the user to view the picture.
202. And acquiring a path corresponding to the picture.
203. And decoding according to the path to obtain the data of the picture.
After the television acquires the path corresponding to the picture, decoding can be performed according to the path to obtain data of the picture, and specifically, the data can be a bitmap object.
204. And drawing the data of the picture on the drawing canvas according to the set size information and the set position information.
After obtaining the data of the picture, the television can draw the data of the picture on the canvas for drawing according to the set size information and the set position information. The set size information and the set position information may be pre-stored in the television, or may be obtained according to the setting of the user.
And the canvas used for drawing is obtained after the picture application is started by the television, specifically: the television can create and initialize a Surface View (Surface View) after the picture application is started, and the initialization process is to call an initialization method of the server side and initialize a Hardware renderer (Hardware renderer) through a Java local interface (JIN interface). After the initialization is completed, the television gets the flat object. The picture application of the television can be realized by a callback function: and determining that the plane view is successfully Created, wherein the picture application can call a method for locking the whole Canvas (Lock Canvas) of the plane view to acquire the Canvas for drawing.
205. And processing the image quality of the video layer by adopting preset image quality parameters.
The image quality parameters are acquired by the television after the picture application is started.
206. And calling a corresponding interface to display the drawn picture on the processed video layer.
After the image quality processing of the video layer is performed And the data of the picture is drawn on the Canvas, the television can call an Unlock display interface (Unlock Canvas And Post) of the plan view to Unlock the Canvas And update the content of the whole Canvas to the screen, And call a corresponding interface, such as an MStar interface, to display the drawn picture on the processed video layer.
Optionally, since the data of the picture drawn on the canvas is data in RGB format, some solution platforms cannot process the data in the format. Therefore, for these solution platforms, before the television displays the picture on the video layer, the method of the corresponding solution platform can be adopted to convert the data of the drawn picture into the data of the specified format, such as the data of YUV format, and then the picture is displayed.
It should be noted that, in the embodiment of the present invention, after being started, the television may create an Image Hardware rendering Service (Image Hardware Render Service) module, and create and store a corresponding Image Hardware rendering (Image Hardware Render) instance in the Image Hardware rendering module through a Java local interface. And when creating the instance, may initialize a Continuous Memory Allocation (CMA), call a System Ready (System Ready) method, and create a Graphic Buffer object, where the Graphic Buffer object is used to store data of a picture drawn in the picture application.
In addition, when the user exits the picture application and does not need to view the picture, the television can destroy the plane view, and specifically can call the function: and (5) on Surface deleted, calling a solution initialization (default) method of the server side, and firstly judging whether the plane object is initialized. If not, the operation is not executed. If yes, calling a de-initialization method in the image hardware rendering instance through a Java local interface, returning the memory applied during initialization, and releasing the content in the distributor.
Furthermore, in the embodiment of the invention, the television can realize the switching of the display of the picture on the video layer and the graphic layer, so that the adaptability can be improved, the picture display is more flexible, and the expansibility is better. Specifically, before performing step 204, the television set may determine the picture display level selected by the user. If an instruction of selecting the video layer display by the user is received, the television set can execute the steps 204-206 and display a prompt message to prompt the user whether the user needs to switch to the graphic layer to display the picture. If an instruction that the user selects the graphic layer to display is received, the television can adjust the size and the position of the picture according to the screen size of the television, display the data of the picture with the adjusted size and position on the graphic layer, and display prompt information to prompt the user whether the user needs to switch to the video layer to display the picture.
Further, in the embodiment of the present invention, the above-mentioned steps 201 to 206 are described by taking as an example a method for displaying an image executed by a television using an MStar chip, and for a television using chips such as haisi (HiSi) and MTK5660, the method for displaying an image may include: step 201-step 203, the television may then adjust the size and position of the picture according to the screen size of the television, transmit the data of the picture with the adjusted size and position to the bottom layer of the solution provider, call a display interface of the video layer of the solution provider, and display the picture on the video layer. In the scheme of calling the scheme provider interface, the television can also realize the switching of the pictures displayed at different levels.
According to the picture display method provided by the invention, when a user needs to check a certain picture in picture application, the television can obtain corresponding data according to the path of the picture, draw the data of the picture on the canvas according to the set size information and the set position information, process the image quality of the video layer by adopting the preset image quality parameters, and finally display the drawn picture on the processed video layer. Therefore, the picture data is drawn by calling the drawing canvas, and the corresponding interface is called for displaying, so that the picture is displayed on the video layer without depending on a television scheme provider. And image quality parameters can be adopted to carry out image quality processing before the picture is displayed on the view screen layer, so that the display effect of the picture is enhanced.
Based on fig. 2, fig. 3 is a schematic diagram of an architecture for displaying pictures according to an embodiment of the present invention, as shown in fig. 3, the architecture may include: the system comprises an application layer, a framework layer, a system operation library layer and a kernel layer.
The application layer includes all the applications installed on the tv, such as the media center application or the art gallery application in step 201.
The framework layer mainly provides an Application Programming Interface (API) framework for accessing the core functions. The framework layer may include services and management tools such as interface management, data access, messaging at the application layer, management of application packages, etc. functions required for application development. For example, in fig. 2, a plan view, a plan object, a graphics buffer object, etc. are created.
And the system operation library layer provides an API (application programming interface) used when the application program is constructed.
The kernel layer is a driving module including a security mechanism, memory management, process management, network stack, and the like, and is located between hardware and software to provide interaction with the hardware. For example, the kernel layer is used to display a picture.
The scheme provided by the embodiment of the invention is mainly introduced from the perspective of a television. It will be appreciated that the television set, in order to implement the above-described functions, comprises corresponding hardware structures and/or software modules for performing the respective functions. Those of skill in the art will readily appreciate that the present invention can be implemented in hardware or a combination of hardware and computer software, in conjunction with the exemplary algorithm steps described in connection with the embodiments disclosed herein. Whether a function is performed as hardware or computer software drives hardware depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
In the embodiment of the present invention, the television may be divided into the functional modules according to the method example, for example, each functional module may be divided corresponding to each function, or two or more functions may be integrated into one processing module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. It should be noted that, the division of the modules in the embodiment of the present invention is schematic, and is only a logic function division, and there may be another division manner in actual implementation.
In the case of dividing each function module by corresponding functions, fig. 4 shows another possible composition diagram of the television set related in the above embodiment, as shown in fig. 4, the television set may include: a receiving unit 31, an acquisition unit 32, a decoding unit 33, a rendering unit 34, a processing unit 35, and a display unit 36.
The receiving unit 31 is configured to support the television to execute step 201 in the picture display method shown in fig. 2.
The obtaining unit 32 is configured to support the television to execute step 202 in the picture displaying method shown in fig. 2.
The decoding unit 33 is configured to support the television to execute step 203 in the picture display method shown in fig. 2.
The drawing unit 34 is configured to support the television to execute step 204 in the picture display method shown in fig. 2.
The processing unit 35 is configured to support the television to execute step 205 in the picture displaying method shown in fig. 2.
The display unit 36 is configured to support the television to perform step 206 in the picture display method shown in fig. 2.
Further, in the embodiment of the present invention, as shown in fig. 5, the television set may further include: a conversion unit 37.
A conversion unit 37, configured to support the television to execute data conversion of the rendered picture into data in a specified format in the picture display method shown in fig. 2.
It should be noted that all relevant contents of each step related to the above method embodiment may be referred to the functional description of the corresponding functional module, and are not described herein again.
The television set provided by the embodiment of the invention is used for executing the picture display method, so that the same effect as the picture display method can be achieved.
Fig. 6 shows another possible schematic diagram of the components of the television set according to the above-described exemplary embodiment, in the case of an integrated unit. As shown in fig. 6, the television set includes: a processing module 41, a communication module 42 and a storage module 43.
The processing module 41 is used for controlling and managing the actions of the television, for example, the processing module 41 is used for supporting the television to execute step 201, step 202, step 203, step 204, step 205, step 206 in fig. 2, and/or other processes for the technology described herein. The communication module 42 is used for supporting communication between the television and other network entities. And a storage module 43 for storing program codes and data of the television.
The processing module 41 may be the processor in fig. 1. Which may implement or perform the various illustrative logical blocks, modules, and circuits described in connection with the disclosure. A processor may also be a combination of computing functions, e.g., comprising one or more microprocessors, a DSP and a microprocessor, or the like. The communication module 42 may be the communication interface of fig. 1. The storage module 43 may be the memory of fig. 1.
Through the above description of the embodiments, it is clear to those skilled in the art that, for convenience and simplicity of description, the foregoing division of the functional modules is merely used as an example, and in practical applications, the above function distribution may be completed by different functional modules according to needs, that is, the internal structure of the device may be divided into different functional modules to complete all or part of the above described functions.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described device embodiments are merely illustrative, and for example, the division of the modules or units is only one logical functional division, and there may be other divisions when actually implemented, for example, a plurality of units or components may be combined or may be integrated into another device, 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 be one physical unit or a plurality of physical units, that is, may be located in one place, or may be distributed in a plurality of different places. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a readable storage medium. Based on such understanding, the technical solution of the embodiments of the present invention may be essentially or partially contributed to by the prior art, or all or part of the technical solution may be embodied in the form of a software product, where the software product is stored in a storage medium and includes several instructions to enable a device (which may be a single chip, a chip, or the like) or a processor (processor) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a U disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions within the technical scope of the present invention are intended to be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A picture display method, characterized in that the method comprises:
receiving an instruction of a user for viewing a picture in a picture application;
acquiring a path corresponding to the picture;
decoding according to the path to obtain the data of the picture;
drawing the data of the picture on a drawing canvas according to the set size information and the set position information;
processing the image quality of the video layer by adopting preset image quality parameters;
and calling a corresponding interface to display the drawn picture on the processed video layer.
2. The picture display method according to claim 1, wherein the drawing the data of the picture on the drawing canvas specifically comprises:
and when an instruction that a user selects video layer display is received, drawing the data of the picture on the canvas.
3. The picture display method according to claim 2, further comprising:
when an instruction that a user selects graphic layer display is received, adjusting the size and the position of the picture according to the size of a screen of a television;
and displaying the data of the picture with the adjusted size and position in a graphic layer.
4. The picture display method according to claim 1, further comprising, before the processing the video layer to display the rendered picture:
and converting the drawn data of the picture into data in a specified format.
5. A television set, characterized in that the television set comprises: the device comprises a receiving unit, an acquisition unit, a decoding unit, a drawing unit, a processing unit and a display unit;
the receiving unit is used for receiving an instruction of a user for viewing pictures in the picture application;
the acquiring unit is used for acquiring a path corresponding to the picture;
the decoding unit is used for decoding according to the path to obtain the data of the picture;
the drawing unit is used for drawing the data of the picture on a drawing canvas according to the set size information and the set position information;
the processing unit is used for processing the image quality of the video layer by adopting preset image quality parameters;
and the display unit is used for calling a corresponding interface to display the drawn picture on the processed video layer.
6. The television set according to claim 5, wherein the rendering unit is specifically configured to:
and when an instruction that a user selects video layer display is received, drawing the data of the picture on the canvas.
7. The television set according to claim 6,
the processing unit is also used for adjusting the size and the position of the picture according to the size of the screen of the television when receiving an instruction of selecting the graphic layer display by a user;
the display unit is further used for displaying the data of the picture with the adjusted size and position on the graph layer.
8. The television set according to claim 5, further comprising: a conversion unit;
and the conversion unit is used for converting the drawn data of the picture into data in a specified format.
9. A television set, characterized in that the television set comprises: a processor, a memory, a communication interface, and a communication bus;
the processor is connected with the memory and the communication interface through the communication bus, the memory is used for storing computer execution instructions, and when the television is operated, the processor executes the computer execution instructions stored in the memory so as to enable the television to execute the picture display method according to any one of claims 1-4.
10. A computer storage medium, comprising computer-executable instructions that, when executed on a television set, cause the television set to perform the picture display method of any one of claims 1-4.
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