CN103685963A - Processing method and device of image display - Google Patents
Processing method and device of image display Download PDFInfo
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- CN103685963A CN103685963A CN201310745341.7A CN201310745341A CN103685963A CN 103685963 A CN103685963 A CN 103685963A CN 201310745341 A CN201310745341 A CN 201310745341A CN 103685963 A CN103685963 A CN 103685963A
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Abstract
The invention discloses a processing method and device of image display. The processing method of image display comprises: when enabled instructions inputted by users are received, a foreground application is controlled to display a control interface to create a canvas used for carrying previews acquired by cameras and the canvas is carried by a preview layer; whether video images are displayed on the preview layer and whether the preview layer is hidden are controlled by the enabled instructions inputted by the users; the preview video images displayed by the canvas on the preview layer of being displayed or hidden are acquired. According to this arrangement, the problem of the camera video data transmission interruption caused by on-off actions of the camera upon shifting the displays between the foreground application and a background application can be prevented effectively.
Description
Technical field
The present invention relates to technical field of image processing, particularly a kind of image display processing method and device.
Background technology
It is more and more that camera uses in each terminal, such as mobile phone, TV, body sense equipment etc. all standard configuration camera.And the function of camera is mainly monitoring, take pictures, video recording etc.In the situation that having, need both can foreground application to move, also can background application operation.But due to when foreground application is moved, preview video picture disply is on the control of foreground application, and in camera video data, in AM/BAM application, show while switching the action that camera need to open or close, thereby the problem that causes video data transmitting to be interrupted.
Summary of the invention
Main purpose of the present invention is to provide a kind of image display processing method, is intended to prevent that camera video data are when AM/BAM application shows switching, the action that camera need to open or close, thereby the problem that causes video data transmitting to be interrupted.
In order to realize goal of the invention, the invention provides a kind of image display processing method, described image display processing method comprises the following steps:
When receiving the enabled instruction of user input, control foreground application display control interface, create for carrying the painting canvas of the preview video picture that camera obtains, and described painting canvas is carried on to preset display layer;
Control command according to user in the input of described control interface, controls described preset display layer and shows preview video picture or control preset display layer and hide;
Obtain the preview video picture showing on painting canvas in the preset display layer of show or hide.
Preferably, the top layer that described preset display layer is display layer.
Preferably, control described preset display layer and show that preview video picture is specially: the display properties of described preset display layer is set for showing;
Controlling described preset display layer hides and to be specially: the display properties of described preset display layer is set for hiding.
Preferably, control described preset display layer and show that preview video picture is specially: the size of adjusting described preset display layer is preset value;
Controlling described preset display layer hides and to be specially: the size of adjusting described preset display layer is 0.
Preferably, in the size of adjusting described preset display layer, be, after preset value or the size of adjusting described preset display layer are 0, also to comprise:
The position that described preset display layer is shown is adjusted to preset position.
The present invention also provides a kind of image display processor, and described image display processor comprises:
Processing module, for when receiving the enabled instruction of user input, controls foreground application display control interface, creates for carrying the painting canvas of the preview video picture that camera obtains, and described painting canvas is carried on to preset display layer;
Control module, for the control command in the input of described control interface according to user, controls described preset display layer and shows preview video picture or control preset display layer and hide;
Acquisition module, for obtaining the preview video picture showing on the preset display layer painting canvas of show or hide.
Preferably, the top layer that described preset display layer is display layer.
Preferably, the described preset display layer of described control module control shows that preview video picture is specially: the display properties of described preset display layer is set for showing;
The described preset display layer of described control module control is hidden and is specially: the display properties of described preset display layer is set for hiding.
Preferably, the described preset display layer of described control module control shows that preview video picture is specially: the size of adjusting described preset display layer is preset value;
The described preset display layer of described control module control is hidden and is specially: the size of adjusting described preset display layer is 0.
Preferably, described image display processor also comprises:
Adjusting module, is adjusted to preset position for the position that described preset display layer is shown.
The present invention is carried painting canvas by a preset display layer is set, and by controlling the show state of preset display layer, realizes the demonstration of preview screen and hide; Thereby in the process of switching in foreground application and background application without painting canvas is controlled, by preset display layer, carry in real time painting canvas, therefore prevented that camera video data are when AM/BAM application shows switching, the action that camera need to open or close, thereby the problem that causes video data transmitting to be interrupted.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of image display processing method the first embodiment of the present invention;
Fig. 2 is the structural representation of image display processor one embodiment of the present invention;
Fig. 3 is the structural representation of another embodiment of image display processor of the present invention.
The realization of the object of the invention, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The invention provides a kind of image display processing method.
With reference to Fig. 1, Fig. 1 is the schematic flow sheet of image display processing method the first embodiment of the present invention, and the image display processing method that the present embodiment provides comprises the following steps:
Step S10, when receiving the enabled instruction of user input, controls foreground application display control interface, creates for carrying the painting canvas of the preview video picture that camera obtains, and described painting canvas is carried on to preset display layer;
In the present embodiment, above-mentioned image display processing method is applied in the electronic equipment with camera function, particularly, when user opens camera function,, to electronic equipment input enabled instruction, now will start foreground application and background application simultaneously.By foreground application, show that one controls interface, to user, camera is controlled and provided access, such as arranging, open camera on control interface, close camera, exit the function buttons such as foreground application.Described preset display layer is for showing the preview screen of preview video picture, and the position of its aspect can arrange according to actual needs.Particularly, above-mentioned preset display layer be in linux system for the display layer (Layer) of display frame, and different layers occupies different regions in video memory, and a upper display layer can block next display layer.In the present embodiment preferably, the top layer that this preset display layer is display layer, this preset display layer is OVERLAY layer.By background application initialization OVERLAY layer and establishment painting canvas, and transmit to the shared drive of bottom the video data showing on painting canvas.It should be noted that when receiving the enabled instruction of user's input, now can directly open camera, and control preset display layer demonstration preview video picture; Also can directly open camera, and control preset display layer and hide; Can also not open camera, and control preset display layer and hide.
Step S20, the control command according to user in the input of described control interface, controls described preset display layer and shows preview video picture or control preset display layer and hide;
After display control interface, user can carry out the input of control command by controlling interface, for example, when camera is opened in user's click, foreground application sends EVENT_OPEN message to background application by the form with EVENT message event, when background application receives this EVENT_OPEN message, to control preset display layer and show, thereby the preview video picture on painting canvas is shown by preset display layer.When foreground application is exited in user's click, foreground application sends EVENT_CLOASE message to background application by the form with EVENT message event, when background application receives this EVENT_CLOASE message, to control preset display layer hides, thereby the preview video picture on painting canvas cannot be shown by preset display layer, and user is without the preview video picture of watching on painting canvas.
Step S30, obtains the preview video picture showing on painting canvas in the preset display layer of show or hide.
The call back function that background application provides by calling system framework obtains the video data data of preview video picture on painting canvas, in this call back function, the wide w of data and video data, high h, form format etc. offer writeVideo function as the parameter of function, are written to memory headroom, then by the mode of shared drive, for the algorithm of bottom, can carry out corresponding image processing.
The present invention is carried painting canvas by a preset display layer is set, and by controlling the show state of preset display layer, realizes the demonstration of preview screen and hide; Thereby in the process of switching in foreground application and background application without painting canvas is controlled, by preset display layer, carry in real time painting canvas, therefore prevented that camera video data are when AM/BAM application shows switching, the action that camera need to open or close, thereby the problem that causes video data transmitting to be interrupted.
It should be noted that the above-mentioned preset display layer of control shows and hiding mode can arrange according to actual needs.In a second embodiment, can show and hide by the display properties of preset display layer is set, in the 3rd embodiment, can show and hide by the size of preset display layer is set.Below this is elaborated:
In a second embodiment, control described preset display layer and show that preview video picture is specially: the display properties of described preset display layer is set for showing;
Controlling described preset display layer hides and to be specially: the display properties of described preset display layer is set for hiding.
In the present embodiment, when background application receives the EVENT_OPEN message that foreground application sends, display properties that will preset display layer is set to show (being show), thereby the preview video picture on painting canvas is shown by preset display layer.When background application receives the EVENT_CLOASE message of foreground application transmission, display properties that will preset display layer is set to hide (being hide), thereby the preview video picture on painting canvas cannot be shown by preset display layer, and user is without the preview video picture of watching on painting canvas.
In the 3rd embodiment, control described preset display layer and show that preview video picture is specially: the size of adjusting described preset display layer is preset value;
Controlling described preset display layer hides and to be specially: the size of adjusting described preset display layer is 0.
It should be noted that above-mentioned preset value can arrange according to actual needs, for example, can be 100*100 pixel; The size of above-mentioned preset display layer is 0, and preset display layer is shown as 1 pixel.
In the present embodiment, when background application receives the EVENT_OPEN message of foreground application transmission, the size of preset display layer will be adjusted into 100*100 pixel, thereby the preview video picture on painting canvas is shown by preset display layer.When background application receives the EVENT_CLOASE message of foreground application transmission, the size of preset display layer will be adjusted into 1 pixel, thereby the preview video picture on painting canvas cannot be shown by preset display layer, and user is without the preview video picture of watching on painting canvas.
Further, based on the 3rd embodiment, in the present embodiment, in the size of adjusting described preset display layer, be, after preset value or the size of adjusting described preset display layer are 0, also to comprise:
The position that described preset display layer is shown is adjusted to preset position.
In the present embodiment, after the size of the described preset display layer of adjustment is preset value, the position that can show by adjusting preset display layer, watches preview video picture disply in place for user.After the size of the described preset display layer of adjustment is 0, because preset display layer also exists 1 pixel, therefore, the position that can show by adjusting preset display layer, is placed on preset display layer on the border of viewing area, thereby can better hides preset display layer.
The present invention also provides a kind of image display processor, for realizing said method.With reference to Fig. 2, Fig. 2 is the structural representation of image display processor one embodiment of the present invention.The image display processor that the present embodiment provides comprises:
In the present embodiment, above-mentioned image display processing method is applied in the electronic equipment with camera function, particularly, when user opens camera function,, to electronic equipment input enabled instruction, now will start foreground application and background application simultaneously.By foreground application, show that one controls interface, to user, camera is controlled and provided access, such as arranging, open camera on control interface, close camera, exit the function buttons such as foreground application.Described preset display layer is for showing the preview screen of preview video picture, and the position of its aspect can arrange according to actual needs.Particularly, above-mentioned preset display layer be in linux system for the display layer (Layer) of display frame, and different layers occupies different regions in video memory, and a upper display layer can block next display layer.In the present embodiment preferably, the top layer that this preset display layer is display layer, this preset display layer is OVERLAY layer.Processing module 100 initialization OVERLAY layers in background application and establishment painting canvas, and transmit to the shared drive of bottom the video data showing on painting canvas.It should be noted that when receiving the enabled instruction of user's input, now can directly open camera, and control preset display layer demonstration preview video picture; Also can directly open camera, and control preset display layer and hide; Can also not open camera, and control preset display layer and hide.
After display control interface, user can carry out the input of control command by controlling interface, for example, when camera is opened in user's click, foreground application sends EVENT_OPEN message to background application by the form with EVENT message event, when background application receives this EVENT_OPEN message, to control preset display layer by control module 200 and show, thereby the preview video picture on painting canvas is shown by preset display layer.When foreground application is exited in user's click, foreground application sends EVENT_CLOASE message to background application by the form with EVENT message event, when background application receives this EVENT_CLOASE message, to control preset display layer by control module 200 hides, thereby the preview video picture on painting canvas cannot be shown by preset display layer, and user cannot watch the preview video picture on painting canvas.
The call back function that acquisition module 300 in background application provides by calling system framework obtains the video data data of preview video picture on painting canvas, in this call back function, the wide w of data and video data, high h, form format etc. offer writeVideo function as the parameter of function, are written to memory headroom, then by the mode of shared drive, for the algorithm of bottom, can carry out corresponding image processing.
The present invention is carried painting canvas by a preset display layer is set, and by controlling the show state of preset display layer, realizes the demonstration of preview screen and hide; Thereby in the process of switching in foreground application and background application without painting canvas is controlled, by preset display layer, carry in real time painting canvas, therefore prevented that camera video data are when AM/BAM application shows switching, the action that camera need to open or close, thereby the problem that causes video data transmitting to be interrupted.
It should be noted that the above-mentioned preset display layer of control shows and hiding mode can arrange according to actual needs.In a second embodiment, can show and hide by the display properties of preset display layer is set, in the 3rd embodiment, can show and hide by the size of preset display layer is set.Below this is elaborated:
In a second embodiment, the described preset display layer of above-mentioned control module 200 control shows that preview video picture is specially: the display properties of described preset display layer is set for showing;
The described preset display layer of described control module 200 control is hidden and is specially: the display properties of described preset display layer is set for hiding.
In the present embodiment, when background application receives the EVENT_OPEN message of foreground application transmission, will be set to by the display properties of control module 200 preset display layers show (being show), thereby the preview video picture on painting canvas is shown by preset display layer.When background application receives the EVENT_CLOASE message of foreground application transmission, will be set to hide (being hide) by the display properties of control module 200 preset display layers, thereby the preview video picture on painting canvas cannot be shown by preset display layer, and user is without the preview video picture of watching on painting canvas.
In the 3rd embodiment, above-mentioned control module 200 is controlled described preset display layer and is shown that preview video picture is specially: the size of adjusting described preset display layer is preset value;
The described preset display layer of described control module 200 control is hidden and is specially: the size of adjusting described preset display layer is 0.
It should be noted that above-mentioned preset value can arrange according to actual needs, for example, can be 100*100 pixel; The size of above-mentioned preset display layer is 0, and preset display layer is shown as 1 pixel.
In the present embodiment, when background application receives the EVENT_OPEN message of foreground application transmission, will the size of preset display layer be adjusted into 100*100 pixel by control module 200, thereby the preview video picture on painting canvas is shown by preset display layer.When background application receives the EVENT_CLOASE message of foreground application transmission, will the size of preset display layer be adjusted into 1 pixel by control module 200, thereby the preview video picture on painting canvas cannot be shown by preset display layer, and user is without the preview video picture of watching on painting canvas.
Further, in conjunction with reference to Fig. 3, Fig. 3 is the structural representation of another embodiment of image display processor of the present invention.Based on the 3rd embodiment, in the present embodiment, above-mentioned image display processor also comprises:
Adjusting module 400, is adjusted to preset position for the position that described preset display layer is shown.
In the present embodiment, after the size of the described preset display layer of adjustment is preset value, can adjust the position that preset display layer shows by adjusting module 400, preview video picture disply is watched for user in place.After the size of the described preset display layer of adjustment is 0, because preset display layer also exists 1 pixel, therefore, can adjust the position that preset display layer shows by adjusting module 400, preset display layer is placed on to the border of viewing area, thereby can better hides preset display layer.
These are only the preferred embodiments of the present invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes specification of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. an image display processing method, is characterized in that, comprises the following steps:
When receiving the enabled instruction of user input, control foreground application display control interface, create for carrying the painting canvas of the preview video picture that camera obtains, and described painting canvas is carried on to preset display layer;
Control command according to user in the input of described control interface, controls described preset display layer and shows preview video picture or control preset display layer and hide;
Obtain the preview video picture showing on painting canvas in the preset display layer of show or hide.
2. image display processing method as claimed in claim 1, is characterized in that, the top layer that described preset display layer is display layer.
3. image display processing method as claimed in claim 1, is characterized in that, controls described preset display layer and shows that preview video picture is specially: the display properties of described preset display layer is set for showing;
Controlling described preset display layer hides and to be specially: the display properties of described preset display layer is set for hiding.
4. image display processing method as claimed in claim 1, is characterized in that, controls described preset display layer and shows that preview video picture is specially: the size of adjusting described preset display layer is preset value;
Controlling described preset display layer hides and to be specially: the size of adjusting described preset display layer is 0.
5. image display processing method as claimed in claim 4, is characterized in that, in the size of adjusting described preset display layer, is, after preset value or the size of adjusting described preset display layer are 0, also to comprise:
The position that described preset display layer is shown is adjusted to preset position.
6. an image display processor, is characterized in that, comprising:
Processing module, for when receiving the enabled instruction of user input, controls foreground application display control interface, creates for carrying the painting canvas of the preview video picture that camera obtains, and described painting canvas is carried on to preset display layer;
Control module, for the control command in the input of described control interface according to user, controls described preset display layer and shows preview video picture or control preset display layer and hide;
Acquisition module, for obtaining the preview video picture showing on the preset display layer painting canvas of show or hide.
7. image display processor as claimed in claim 6, is characterized in that, the top layer that described preset display layer is display layer.
8. image display processor as claimed in claim 6, is characterized in that, described control module is controlled described preset display layer and shown that preview video picture is specially: the display properties of described preset display layer is set for showing;
The described preset display layer of described control module control is hidden and is specially: the display properties of described preset display layer is set for hiding.
9. image display processor as claimed in claim 6, is characterized in that, described control module is controlled described preset display layer and shown that preview video picture is specially: the size of adjusting described preset display layer is preset value;
The described preset display layer of described control module control is hidden and is specially: the size of adjusting described preset display layer is 0.
10. image display processor as claimed in claim 9, is characterized in that, described image display processor also comprises:
Adjusting module, is adjusted to preset position for the position that described preset display layer is shown.
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| CN106161972A (en) * | 2016-09-30 | 2016-11-23 | 深圳天珑无线科技有限公司 | A kind of method and device of shooting |
| CN107770449A (en) * | 2017-11-02 | 2018-03-06 | 广东欧珀移动通信有限公司 | continuous shooting method, electronic equipment and storage medium |
| CN108268350A (en) * | 2018-01-31 | 2018-07-10 | 广东欧珀移动通信有限公司 | Control method and related product |
| CN109714640A (en) * | 2017-10-26 | 2019-05-03 | 创盛视联数码科技（北京）有限公司 | The method for playing live video |
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