WO2014206190A1

WO2014206190A1 - Picture display method, apparatus and set-top box

Info

Publication number: WO2014206190A1
Application number: PCT/CN2014/079268
Authority: WO
Inventors: 陈强
Original assignee: 深圳市九洲电器有限公司
Priority date: 2013-06-28
Filing date: 2014-06-05
Publication date: 2014-12-31
Also published as: CN103324740A; CN103324740B

Abstract

The present invention is applicable to the technical field of mobile terminals and provides a picture display method, apparatus and set-top box, the method comprising: obtaining the picture identity of a picture needing to be loaded; searching pre-stored handles for a handle corresponding to the picture identity on the basis of a pre-established corresponding relation between the picture identity and the handles, the handle carrying a picture pointer which points at a picture data structure; when the handle corresponding to the picture identity is found, calling the picture data structure at which the picture pointer points according to the picture pointer carried in the handle, enabling the picture display party to load the picture rapidly. In this embodiment, memory fragments arising from picture display are reduced, the picture display efficiency of the set-top box is improved, the boot time is shortened, and the user experience is improved.

Description

Picture display method, device and set top box

Technical field

The invention belongs to the technical field of mobile terminals, and in particular relates to a picture display method, device and set top box.

Background technique

With the popularity of the set-top box picture display function, more and more users display pictures through the set-top box. Users can download pictures to the set-top box at home, and display high-definition pictures in the TV set through the set-top box to enjoy the high-definition vision brought by the set-top box. Experience.

However, the existing set-top box picture display is inefficient. Specifically, the current set-top box picture needs to be loaded with the picture resource file, and the picture loading manner is generally divided into two modes:

The first loading mode, as shown in Figure 6, is to obtain image data according to the specific path and file name of the picture or directly use the header file array to store the image data. In each process of displaying the image, it is necessary to temporarily open a piece of memory in the memory. The area, then copy the image data into the memory area, and finally release the memory area. Due to repeated allocation and release of memory, more memory fragmentation is caused, which reduces the memory usage efficiency. At the same time, data copying is required. For a long time, the loading time of the image is too long, which reduces the efficiency of image display.

The second way is to store the image resource file in the memory for reading access. This method can display the normal display of the picture, but this way, the file in the memory is more, and the set-top box needs to be re-read from the memory every time the device is turned on. The file is taken, because the file is more, the boot time is prolonged, which reduces the user experience.

technical problem

An object of the present invention is to provide a picture display method, which aims to solve the problem that the existing set top box picture display efficiency is low and the picture display causes more memory fragmentation.

Technical solution

The embodiment of the present invention is implemented as follows. A picture display method includes:

Get the image identifier of the image to be loaded;

In a pre-stored handle, according to a pre-established correspondence between the picture identifier and the handle, a handle corresponding to the picture identifier is searched, and the handle carries a picture pointer that points to a picture data structure;

When the handle corresponding to the picture identifier is found, the picture data structure pointed by the picture pointer is called according to the picture pointer carried in the handle, so that the picture display party quickly loads the picture.

Another object of the present invention is to provide a picture display device, including:

a first acquiring unit, configured to acquire a picture identifier of a picture that needs to be loaded;

a searching unit, configured to search, in a pre-stored handle, a handle corresponding to the image identifier according to a pre-established correspondence between the image identifier and the handle, where the handle carries a picture pointer that points to a picture data structure ;

The calling unit is configured to: when the handle corresponding to the picture identifier is found, invoke the picture data structure pointed by the picture pointer according to the picture pointer carried in the handle, so that the picture display party quickly loads the picture.

Another object of the embodiments of the present invention is to provide a picture display device including the above picture display device.

Beneficial effect

In the embodiment of the present invention, when the handle corresponding to the picture identifier is found, the picture data structure pointed by the picture pointer is called according to the picture pointer carried in the handle, so that the picture display party quickly loads the picture. It avoids the repeated allocation and release of memory, which will cause more memory fragmentation, reduce the use efficiency of memory, avoid copying of image data, take a long time, make the image loading time too long, reduce the picture The efficiency of the display, while avoiding the storage of image resource files in the memory, resulting in extended boot time, reducing the user experience, thereby reducing memory fragmentation caused by image display, improving the display efficiency of the set-top box image, and speeding up The boot time increases the user experience.

DRAWINGS

1 is a flowchart of an implementation of a picture display method according to an embodiment of the present invention;

2 is a flowchart of an implementation of establishing a correspondence between a picture identifier of each picture and the handle according to an embodiment of the present invention;

3 is a flowchart of an implementation of a resource file loading and picture data conversion picture display device according to an embodiment of the present invention;

4 is a flow chart of a preferred implementation of an embodiment of the present invention provided in an embodiment of the present invention;

FIG. 5 is a structural block diagram of a picture display device according to an embodiment of the present invention; FIG.

6 is a flow chart of an implementation of an existing picture loading provided by the background art.

Embodiments of the invention

The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Embodiment 1

FIG. 1 is a flowchart showing an implementation process of a picture display method according to an embodiment of the present invention, which is described in detail as follows:

In step S101, acquiring a picture identifier of a picture that needs to be loaded;

In this embodiment, the picture identification includes, but is not limited to, an image number.

In this embodiment, when the picture data is buffered, each picture in the picture data may be assigned a unique picture identifier, and the picture identifier is associated with the picture and recorded and stored, so that the subsequent picture display can be obtained. Go to the image ID that needs to load the image. When the user selects a picture, it indicates that the picture is a picture that needs to be loaded.

In step S102, in a pre-stored handle, according to a pre-established correspondence between the picture identifier and the handle, a handle corresponding to the picture identifier is searched, and the handle carries a picture pointer that points to a picture data structure. ;

In this embodiment, the handle carries a picture pointer to the picture data structure.

In this embodiment, the picture data structure is a structure in which picture data is stored.

In this embodiment, the picture display side uses the picture identifier as an index, and in the database storing the handle corresponding to the picture identifier of the application, the handle corresponding to the picture identifier of the image to be loaded is searched to determine whether the stored database exists. The picture identifies the corresponding handle.

In this embodiment, when the handle corresponding to the picture identifier is queried, it indicates that a handle corresponding to the picture identifier already exists in the database. At this time, the picture display party searches for the corresponding handle of the picture identifier according to the corresponding relationship between the picture identifier and the handle stored in the record, and finds the handle corresponding to the picture identifier, so as to facilitate the subsequent picture display party, and can call the picture pointed by the picture pointer in the handle. The data structure extracts the image data, avoids the occurrence of copying of the image data, and takes a long time to load the image quickly.

In this embodiment, when the handle corresponding to the picture identifier is not found, it means that there is no handle corresponding to the picture identifier in the database. At this time, the picture is encapsulated into an independent picture data structure, and a handle of the picture data structure is generated, and the picture identifier is indexed, and the picture identifier and the handle are associated and recorded and stored for subsequent image display. The image data structure pointed to by the picture pointer in the handle can be called to extract the picture data, thereby quickly loading the picture.

In step S103, when the handle corresponding to the picture identifier is found, the picture data structure pointed by the picture pointer is called according to the picture pointer carried in the handle, so that the picture display party quickly loads the picture.

In this embodiment, when the handle corresponding to the picture identifier is found, according to the picture pointer carried in the handle, the picture data structure pointed by the picture pointer is called, and the picture in the picture data structure is parsed by the function of the picture processing. The data, that is, the data of the pixel points, after parsing, according to the previous pixel format, when driving the display, the driver will display in the manner of pixel dot, so that the underlying driver can load the image only through the handle, avoiding the appearance. Repeated allocation and release of memory will cause more memory fragmentation, reduce the efficiency of memory usage, avoid copying of image data, and take a long time, so that the loading time of the image is too long, which reduces the efficiency of image display. At the same time, the image resource file is stored in the memory, which causes the boot time to be extended, which reduces the user experience, thereby reducing the memory fragmentation caused by the picture display, improving the display efficiency of the set top box picture, speeding up the boot time, and improving The user experience.

As a preferred embodiment of the present invention, as a preferred embodiment of the present invention, when the application displayed by the picture is activated, the step of acquiring the picture identification of the picture to be loaded is performed.

In this embodiment, when the application displayed by the image is started, the step of acquiring the image identifier of the image to be loaded is performed, specifically, the broadcast message in the set top box is obtained through the preset listener, and the application for acquiring the image is obtained. When the broadcast information is started, a thread that obtains a picture identifier of the picture to be loaded is executed to obtain a picture identifier of the picture to be loaded. When the application displayed by the picture is not started, the step of obtaining the picture identifier of the picture to be loaded is not performed, thereby reducing the running thread of the set top box and improving the running speed of the set top box.

Embodiment 2

FIG. 2 shows an implementation flow of establishing a correspondence between a picture identifier of each picture and the handle before step S101, which is described in detail as follows:

In step S201, each picture and a picture identifier of each picture are acquired;

In this embodiment, the module of the application file system traverses and adds indexes (ie, numbering) to all pictures. For example, the five picture numbers are Pic1, Pic2, Pic3, Pic4, Pic5.

In step S202, each picture is encapsulated into an independent picture data structure, and a handle of the picture data structure is generated;

In this embodiment, each picture is encapsulated into an independent picture data structure, and a handle of the picture data structure is generated, specifically:

Obtaining picture information of each picture, where the picture information includes resolution and picture data;

In this embodiment, the picture information of each picture is obtained, and the picture data stored in the buffer is obtained through the storage path of the picture, and the resolution of the picture is obtained in the picture data, that is, the pixel height and the pixel width of the picture. To facilitate subsequent display of the picture in the restore.

According to the preset encapsulation function and the picture information, each picture is encapsulated into an independent picture data structure, and a handle of the picture data structure is generated.

In this embodiment, the preset encapsulation function may be set by the user or may be defaulted by the system.

Preferably, the preset encapsulation function is USM_OSG_CreateSurface. USM_OSG_CreateSurface is a function for self-encapsulation on different platforms. Even if the display platform of the image display is different, when the same input parameters are taken, a uniform data type handle can be generated in different platforms, so that it can be used in different platforms. The image picture data structure is called by the handle, so that the handle of the generated picture data structure is portable in different platforms.

In the present embodiment, for convenience of explanation, FIG. 3 shows a flowchart of implementation of loading of resource files and conversion of picture data, which is described in detail as follows:

Create a unified interface;

Set multiple incoming parameters for different platforms, such as

Pass in parameter one: set to the height of the image width

Pass in parameter two: set to the height of the image

Pass in parameter three: dataBuffer data for the picture

Pass in parameter four: set to the pixel format of the picture, such as ARGB1555, ARGB8888 or color lookup table or other.

Input multiple input parameters into USM_OSG_CreateSurface, the return value is the handle of the shape, and the handle is the integer value converted by the pointer of each different platform data structure.

Data parsing of other images in turn, passing data through incoming parameters USM_OSG_CreateSurface(), specifically, ie, height1 + width1 + dataBuffer1 + Other incoming data, height2 + width2 + dataBuffer2 + other incoming data, height3 + width3 + dataBuffer3 + Other incoming data is passed to USM_OSG_CreateSurface(), which in turn gets the handles handle2, handle3, handle4, handle5.

In step S203, the picture identifier of each picture is associated with the handle and recorded and stored.

In this embodiment, by using the picture identifier as an index, the picture identifier of each picture is associated with the handle and recorded and stored.

As a preferred embodiment of the present invention, the picture identifier of each picture is associated with the handle and recorded and stored, including:

The picture identifier of each picture is associated with the handle and recorded in the memory of the picture display side.

In this embodiment, the picture identifier of each picture is associated with the handle and recorded in the memory of the picture display party. Since the data size of the picture identifier and the handle is much smaller than the size of the picture resource file, It can avoid more files in the memory. The set-top box needs to re-read the file from the memory every time it is turned on, which causes the boot time to be extended, which reduces the user experience, speeds up the boot time, and improves the user experience.

Embodiment 3

FIG. 4 shows a preferred implementation process of an embodiment of the present invention in practical applications:

In step S401, the picture ID is passed in;

In step S402, matching to the handleID;

In step S403, the drive processing picture is displayed;

In step S404, the texture is completed.

FIG. 5 is a structural block diagram of a picture display device according to an embodiment of the present invention. The device can be run on various terminals, including but not limited to a set top box, a mobile phone, and a pocket computer (Pocket). Personal Computer, PPC), Pocket PC, Computer, Laptop, Personal Digital Assistant (Personal Digital Assistant, PDA), MP4, MP3, etc. For the convenience of explanation, only the parts related to the present embodiment are shown.

Referring to FIG. 5, the picture display device includes:

a first acquiring unit 51, configured to acquire a picture identifier of a picture that needs to be loaded;

The searching unit 52 is configured to search, in a pre-stored handle, a handle corresponding to the picture identifier according to a pre-established correspondence between the picture identifier and the handle, where the handle carries a picture that points to a picture data structure pointer;

The calling unit 53 is configured to: when the handle corresponding to the picture identifier is found, invoke the picture data structure pointed by the picture pointer according to the picture pointer carried in the handle, so that the picture display party quickly loads the picture.

Further, in the picture display device, the method includes:

a second obtaining unit, configured to acquire each picture in the picture display party and a picture identifier of each picture;

a generating unit, configured to encapsulate each picture into a separate picture data structure, and generate a handle of the picture data structure;

a storage unit, configured to associate a picture identifier of each picture with the handle and record the storage.

Further, in the picture display device, the method includes:

Obtaining a subunit, configured to acquire picture information of each picture, where the picture information includes resolution and picture data;

And generating a subunit, configured to encapsulate each picture into an independent picture data structure according to a preset encapsulation function and the picture information, and generate a handle of the picture data structure.

Specifically, in the picture display device, The storage unit is specifically configured to associate a picture identifier of each picture with the handle and record the memory stored in the memory of the picture display side.

The device provided by the embodiment of the present invention can be applied to the foregoing corresponding method embodiment 1. For details, refer to the description of the first embodiment, and details are not described herein again.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. Within the scope.

Claims

A picture display method, comprising:

Get the image identifier of the image to be loaded;

In a pre-stored handle, according to a pre-established correspondence between the picture identifier and the handle, a handle corresponding to the picture identifier is searched, and the handle carries a picture pointer that points to a picture data structure;

When the handle corresponding to the picture identifier is found, the picture data structure pointed by the picture pointer is called according to the picture pointer carried in the handle, so that the picture display party quickly loads the picture.
The method according to claim 1, wherein before the obtaining the picture identifier of the picture to be loaded, the method comprises:

Get each image in the image display and the image identifier of each image;

Encapsulating each picture as a separate picture data structure and generating a handle to the picture data structure;

The picture identifier of each picture is associated with the handle and recorded and stored.
The method according to claim 2, wherein the encapsulating each picture is a separate picture data structure, and generating a handle of the picture data structure, comprising:

Obtaining picture information of each picture, where the picture information includes resolution and picture data;

According to the preset encapsulation function and the picture information, each picture is encapsulated into an independent picture data structure, and a handle of the picture data structure is generated.
The method according to claim 1, wherein the picture identifier of each picture is associated with the handle and recorded and stored, including:

The picture identifier of each picture is associated with the handle and recorded in the memory of the picture display side.
The method of claim 1, further comprising: before the obtaining the picture identifier of the picture to be loaded,

When the application displayed by the image is launched, the step of obtaining the image identifier of the picture to be loaded is performed.
A picture display device, comprising:

a first acquiring unit, configured to acquire a picture identifier of a picture that needs to be loaded;

a searching unit, configured to search, in a pre-stored handle, a handle corresponding to the image identifier according to a pre-established correspondence between the image identifier and the handle, where the handle carries a picture pointer that points to a picture data structure ;

The calling unit is configured to: when the handle corresponding to the picture identifier is found, invoke the picture data structure pointed by the picture pointer according to the picture pointer carried in the handle, so that the picture display party quickly loads the picture.
The device of claim 6 further comprising:

a second obtaining unit, configured to acquire each picture in the picture display party and a picture identifier of each picture;

a generating unit, configured to encapsulate each picture into a separate picture data structure, and generate a handle of the picture data structure;

a storage unit, configured to associate a picture identifier of each picture with the handle and record the storage.
The device of claim 7, wherein the generating unit comprises:

Obtaining a subunit, configured to acquire picture information of each picture, where the picture information includes resolution and picture data;

And generating a subunit, configured to encapsulate each picture into an independent picture data structure according to a preset encapsulation function and the picture information, and generate a handle of the picture data structure.
The device according to claim 7, wherein the storage unit is specifically configured to associate a picture identifier of each picture with the handle and record the memory stored in a memory of the picture display side.
A set top box, comprising the picture display device according to any one of claims 6 to 9.