CN105843576B - A kind of combination windows switching method and device - Google Patents
A kind of combination windows switching method and device Download PDFInfo
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- CN105843576B CN105843576B CN201610177687.5A CN201610177687A CN105843576B CN 105843576 B CN105843576 B CN 105843576B CN 201610177687 A CN201610177687 A CN 201610177687A CN 105843576 B CN105843576 B CN 105843576B
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Abstract
The embodiment of the invention discloses a kind of combination windows switching method and devices, it solves current by judging that image is amplification or reduces and switch the method for Zoom module and frame per second conversion module position, reduce the bandwidth in combination image scaling, due to the afterbody frame buffer module that do not fix, during image scaling multiplying power and window coordinates change, the technical issues of the phenomenon that will appear window moment flower screen, caused influence user experience.Combination windows switching method of the embodiment of the present invention includes: to stop input picture when window size changes and be written to frame per second conversion module, and intermediary's buffer area is written in image last frame picture；Display is exported from intermediary's buffer area by the last frame picture after complete write-in, and starts to input new image and frame per second conversion module is written；It determines that the new image write-in of frame per second conversion module is completed, stops exporting display from intermediary's buffer area, and export display from frame per second conversion module by new image.
Description
Technical field
The present invention relates to technical field of data processing more particularly to a kind of combination windows switching methods and device.
Background technique
Display technology branch of the combination as profession, future development are worthy of expecting.Combination has very big combination empty
Between: it can both splice or use large screen splicing using smaller screen；Both can be spliced with one-to-one single screen, it can also a pair of M × N
Whole screen splicing；It can also big smaller screen mixing assembly.The system scale that liquid crystal spliced curtain wall system can be proposed according to client and
Application requirement selects suitable product and connecting method according to the use environment of system, designs specific embodiment, meets system
The application demand of system.
Input signal is usually shown in the form of windows on combination, usually needs to change window during use
Size, be actually that display unit changes that scale multiplying power and window to input signal aobvious during changing window size
Show the process of coordinate, in order to avoid flower screen occurs in window during change, shown on combination, traditional way is logical
The output pointer for crossing static afterbody frame buffer allows window picture to stop at last frame output, when scaling multiplying power configures
Afterwards, reactivation output pointer configures new window coordinates simultaneously.Have at present it is a kind of by judge image be amplification or diminution come
Switch the method for Zoom module and frame per second conversion module position, reduces the bandwidth in combination image scaling.
But above-mentioned this method is due to the afterbody frame buffer module do not fixed, in image scaling multiplying power and window
During mouthful changes in coordinates, it may appear that the phenomenon that window moment flower screen, the technical issues of so as to cause influence user experience.
Summary of the invention
A kind of combination windows switching method and device provided in an embodiment of the present invention solve and current are schemed by judgement
Seem amplification or diminution to switch the method for Zoom module and frame per second conversion module position, reduces in combination image scaling
Bandwidth, due to the afterbody frame buffer module that do not fix, during image scaling multiplying power and window coordinates change, meeting
There is the technical issues of the phenomenon that window moment flower screen, caused influence user experience.
A kind of combination windows switching method provided in an embodiment of the present invention, comprising:
When window size changes, stop input picture and be written to frame per second conversion module, and by described image last frame
Intermediary's buffer area is written in picture；
Display is exported from intermediary's buffer area by the last frame picture after completely write-in, and starts to input newly
Simultaneously the frame per second conversion module is written in described image；
It determines that the new described image write-in of the frame per second conversion module is completed, stops aobvious from intermediary's buffer area output
Show, and exports display from the frame per second conversion module by new described image.
Optionally, when window size changes, stop input picture and be written to frame per second conversion module, and most by described image
A later frame picture write-in intermediary's buffer area specifically includes:
When window size changes, the described image that window is shown stops at the last frame picture, stops input
Image is written to frame per second conversion module, and intermediary's buffer area is written in described image last frame picture.
Optionally, when window size changes, the described image that window is shown stops at the last frame picture, stops
Only input picture is written to frame per second conversion module, and described image last frame picture write-in intermediary's buffer area is specifically included:
Judge the type that window size changes, if image is in magnifying state or the magnifying state to deflated state,
Stop input picture and be written to the frame per second conversion module, and the pointer that the frame per second conversion module is read image is static, together
When the described image that shows window stop at the last frame picture, will be in the last frame picture write-in after scaling
Jie's buffer area；
If image is in the deflated state or the deflated state to the magnifying state, stop Zoom module is defeated
Described image out is written to the frame per second conversion module, and the pointer that the frame per second conversion module is read image is static, together
When the described image that shows window stop at the last frame picture, by the described last of frame per second conversion module output
Intermediary's buffer area is written in one frame picture.
Optionally, display is exported from intermediary's buffer area by the last frame picture after complete write-in, and started
It inputs new described image and the frame per second conversion module is written and specifically include:
It determines that image is in intermediary's buffer area of the magnifying state and the last frame picture is completely written, stops
Image only is read from the frame per second conversion module, and the last frame picture after complete write-in is exported into display, is started defeated
Enter new described image and the frame per second conversion module is written；
Or
It determines that image is in intermediary's buffer area of the deflated state and the last frame picture is completely written, stops
Image only is read from the frame per second conversion module, and the last frame picture after complete write-in is exported into display, is matched simultaneously
The frame per second modulus of conversion is written in the scaling for setting the Zoom module, the new described image that the Zoom module is exported
Block；
Or
Determine image be in the magnifying state to the deflated state intermediary's buffer area by the last frame
Picture is completely written, and stops reading image from the frame per second conversion module, and by the last frame picture after complete write-in
Output display, switches the position of the Zoom module and the frame per second conversion module, while configuring the scaling of the Zoom module
The frame per second conversion module is written in ratio, the new described image that the Zoom module is exported；
Or
Determine image be in the deflated state to the magnifying state intermediary's buffer area by the last frame
Picture is completely written, and stops reading image from the frame per second conversion module, and by the last frame picture after complete write-in
Output display, switches the position of the Zoom module and the frame per second conversion module, starts to input new described image and write-in
The frame per second conversion module.
Optionally it is determined that the new described image of the frame per second conversion module is written and completes, stop caching from the intermediary
Area's output display, and specifically included from the frame per second conversion module by new described image output display:
Determine image be in the magnifying state or the deflated state to the magnifying state the frame per second modulus of conversion
The new described image of block, which is written, to be completed, and is stopped exporting display from intermediary's buffer area, is activated the frame per second conversion module
Frame per second caching reads the pointer, and reads new described image from frame per second caching, while configuring the Zoom module
Scaling and window displaing coordinate, the new described image after scaling is exported into display；
Or
Determine image be in the deflated state or the magnifying state to the deflated state the frame per second modulus of conversion
The new described image of block, which is written, to be completed, and is stopped exporting display from intermediary's buffer area, is activated the frame per second conversion module
Frame per second caching reads the pointer, and reads new described image from frame per second caching, while configuring the window and showing
New described image after scaling is exported display by coordinate.
A kind of combination windows exchange device provided in an embodiment of the present invention, comprising:
Writing unit is written to frame per second conversion module for when window size changes, stopping input picture, and will be described
Intermediary's buffer area is written in image last frame picture；
First display unit, it is aobvious for exporting the last frame picture after complete write-in from intermediary's buffer area
Show, and starts to input new described image and the frame per second conversion module is written；
Second display unit stops for determining that the new described image write-in of the frame per second conversion module is completed from institute
The output display of intermediary's buffer area is stated, and exports display from the frame per second conversion module by new described image.
Optionally, said write unit, the described image for being specifically used for showing window when window size changes stop
In the last frame picture, stop input picture and be written to frame per second conversion module, and described image last frame picture is write
Enter intermediary's buffer area.
Optionally, said write unit specifically includes:
Judgment sub-unit, the type changed for judging window size, if image is in magnifying state or the amplification shape
State then triggers the first write-in subelement to deflated state, if image is in the deflated state or the deflated state described in
Magnifying state then triggers the second write-in subelement；
The first write-in subelement, is written to the frame per second conversion module for stopping input picture, and by the frame
The pointer that rate conversion module reads image is static, while the described image that window is shown stops at the last frame picture,
Intermediary's buffer area is written into the last frame picture after scaling；
The described image that Zoom module exports is written to the frame per second conversion for stopping by the second write-in subelement
Module, and the pointer that the frame per second conversion module is read image is static, while the described image that window is shown stops at institute
Last frame picture is stated, intermediary's buffer area is written into the last frame picture of frame per second conversion module output.
Optionally, first display unit specifically includes:
First write-in display subelement, for determine image be in the magnifying state intermediary's buffer area will described in
Last frame picture is completely written, and stops reading image from the frame per second conversion module, and will be described last after complete write-in
The output display of one frame picture, starts to input new described image and the frame per second conversion module is written；
Second write-in display subelement, for determine image be in the deflated state intermediary's buffer area will described in
Last frame picture is completely written, and stops reading image from the frame per second conversion module, and will be described last after complete write-in
The output display of one frame picture, while configuring the scaling of the Zoom module, by the Zoom module export it is new described in
The frame per second conversion module is written in image；
Third write-in display subelement, for determine image be in the magnifying state to the deflated state it is described in
The last frame picture is completely written Jie's buffer area, stops reading image from the frame per second conversion module, and will completely write
The last frame picture after entering exports display, switches the position of the Zoom module and the frame per second conversion module, simultaneously
The frame per second modulus of conversion is written in the scaling for configuring the Zoom module, the new described image that the Zoom module is exported
Block；
4th write-in display subelement, for determine image be in the deflated state to the magnifying state it is described in
The last frame picture is completely written Jie's buffer area, stops reading image from the frame per second conversion module, and will completely write
The last frame picture after entering exports display, switches the position of the Zoom module and the frame per second conversion module, starts
It inputs new described image and the frame per second conversion module is written.
Optionally, the second display unit specifically includes:
First display processing subelement, for determining that image is in the magnifying state or the deflated state is put described in
The new described image of the frame per second conversion module of big state, which is written, to be completed, and stops showing from intermediary's buffer area output,
It activates the frame per second of the frame per second conversion module to cache and reads the pointer, and read the new figure from frame per second caching
Picture, while the scaling and window displaing coordinate of the Zoom module are configured, the new described image after scaling is exported aobvious
Show；
Second display processing subelement, for determining that image is in the deflated state or the magnifying state to the contracting
The new described image of the frame per second conversion module of small state, which is written, to be completed, and stops exporting display from intermediary's buffer area,
It activates the frame per second of the frame per second conversion module to cache and reads the pointer, and read the new figure from frame per second caching
Picture, while the window displaing coordinate is configured, the new described image after scaling is exported into display.
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that
A kind of combination windows switching method and device provided in an embodiment of the present invention, wherein combination windows exchange side
Method includes: to stop input picture when window size changes and be written to frame per second conversion module, and image last frame picture is write
Enter intermediary's buffer area；Display is exported from intermediary's buffer area by the last frame picture after complete write-in, and starts to input new figure
Simultaneously frame per second conversion module is written in picture；It determines that the new image write-in of frame per second conversion module is completed, stops exporting from intermediary's buffer area
It has been shown that, and display is exported from frame per second conversion module by new image.It is defeated by stopping when window size changes in the present embodiment
Enter image and be written to frame per second conversion module, and intermediary's buffer area is written into image last frame picture, then from intermediary's buffer area
Last frame picture after complete write-in is exported into display, and starts to input new image and frame per second conversion module is written, finally
It determines that the new image write-in of frame per second conversion module is completed, stops exporting from intermediary's buffer area and show, and from frame per second conversion module
New image is exported into display, realizes smoothly switching for window on combination, and keep in handoff procedure to memory one
The operation of write-in and a reading does not increase memory bandwidth, solves current by judge that image is that amplification or diminution are cut
The method for changing Zoom module and frame per second conversion module position reduces the bandwidth in combination image scaling, due to what is do not fixed
Afterbody frame buffer module, during image scaling multiplying power and window coordinates change, it may appear that window moment flower screen
The technical issues of phenomenon, caused influence user experience.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of process signal of one embodiment of combination windows switching method provided in an embodiment of the present invention
Figure；
Fig. 2 is a kind of process signal of another embodiment of combination windows switching method provided in an embodiment of the present invention
Figure；
Fig. 3 is a kind of structural representation of one embodiment of combination windows exchange device provided in an embodiment of the present invention
Figure；
Fig. 4 is a kind of structural representation of another embodiment of combination windows exchange device provided in an embodiment of the present invention
Figure；
Fig. 5 (a) to (c) is the application examples schematic diagram of switching when image is in magnifying state；
Fig. 6 (a) to (c) is the application examples schematic diagram of switching when image is in zoom state；
Fig. 7 (a) to (c) is the application examples schematic diagram of switching of the image from magnifying state to deflated state；
Fig. 8 (a) to (c) is the application examples schematic diagram of switching of the image from deflated state to magnifying state.
Specific embodiment
A kind of combination windows switching method and device provided in an embodiment of the present invention solve and current are schemed by judgement
Seem amplification or diminution to switch the method for Zoom module and frame per second conversion module position, reduces in combination image scaling
Bandwidth, due to the afterbody frame buffer module that do not fix, during image scaling multiplying power and window coordinates change, meeting
There is the technical issues of the phenomenon that window moment flower screen, caused influence user experience.
In order to make the invention's purpose, features and advantages of the invention more obvious and easy to understand, below in conjunction with the present invention
Attached drawing in embodiment, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that disclosed below
Embodiment be only a part of the embodiment of the present invention, and not all embodiment.Based on the embodiments of the present invention, this field
Those of ordinary skill's all other embodiment obtained without making creative work, belongs to protection of the present invention
Range.
Referring to Fig. 1, a kind of one embodiment of combination windows switching method provided in an embodiment of the present invention includes:
101, when window size changes, stop input picture and be written to frame per second conversion module, and by image last frame
Intermediary's buffer area is written in picture；
In the present embodiment, when combination window needs to switch, first when window size changes, stops input picture and write
Enter to frame per second conversion module, and intermediary's buffer area is written into image last frame picture.
102, display is exported from intermediary's buffer area by the last frame picture after complete write-in, and starts to input new image
And frame per second conversion module is written；
When window size changes, stop input picture and be written to frame per second conversion module, and by image last frame picture
It is written after intermediary's buffer area, needs the last frame picture output display after complete write-in from intermediary's buffer area, and start
It inputs new image and frame per second conversion module is written.
103, it determines that the new image write-in of frame per second conversion module is completed, stops exporting display from intermediary's buffer area, and from
New image is exported display by frame per second conversion module.
Last frame picture after from intermediary's buffer area by complete write-in exports display, and starts to input new image simultaneously
It is written after frame per second conversion module, it is thus necessary to determine that the new image of frame per second conversion module, which is written, to be completed, and is stopped from intermediary's buffer area
Output display, and display is exported from frame per second conversion module by new image.
In the present embodiment, it is written to frame per second conversion module by stopping input picture when window size changes, and will figure
It is then from intermediary's buffer area that the last frame picture output after complete write-in is aobvious as intermediary's buffer area is written in last frame picture
Show, and start to input new image and frame per second conversion module is written, finally determines that the new image of frame per second conversion module has been written
At stopping is exported from intermediary's buffer area and shown, and exports display from frame per second conversion module by new image, is realized on combination
Window smoothly switches, and the operation to memory one write-in and a reading is kept not increase storage tape in handoff procedure
Width solves current by judging that image is amplification or reduces and switch the side of Zoom module and frame per second conversion module position
Method reduces the bandwidth in combination image scaling, due to the afterbody frame buffer module that do not fix, in image scaling multiplying power
During window coordinates variation, it may appear that the phenomenon that window moment flower screen, the technical issues of caused influence user experience.
The above is that the process of combination windows switching method is described in detail, below will be to different switching states
It is described, referring to Fig. 2, a kind of another embodiment packet of combination windows switching method provided in an embodiment of the present invention
It includes:
201, judge the type that window size changes, if image is in magnifying state or magnifying state to deflated state,
It executes step 202 and thens follow the steps 203 if image is in deflated state or deflated state to magnifying state；
In the present embodiment, when window size changes, the image that window is shown stops at last frame picture, stops defeated
Enter image and be written to frame per second conversion module, and intermediary's buffer area is written into image last frame picture.
The specific can be that the type that window size changes is judged, if image is in magnifying state or magnifying state to diminution
State thens follow the steps 202, if image is in deflated state or deflated state to magnifying state, thens follow the steps 203.
202, stop input picture and be written to frame per second conversion module, and the pointer that frame per second conversion module is read image is quiet
Only, while by window the image shown stops at last frame picture, by the last frame picture write-in intermediary caching after scaling
Area；
When judge window size change type be in magnifying state or magnifying state to deflated state for image, then need
Display is exported from intermediary's buffer area by the last frame picture after complete write-in, and starts to input new image and frame per second is written to turn
Change the mold block.
203, stop for the image that Zoom module exports being written to frame per second conversion module, and frame per second conversion module is read and is schemed
The pointer of picture is static, while the image that window is shown stops at last frame picture, frame per second conversion module is exported last
Intermediary's buffer area is written in one frame picture；
When judge window size change type be in deflated state or deflated state to magnifying state for image, then stop
The image that Zoom module exports is written to frame per second conversion module, and the pointer that frame per second conversion module is read image is static, together
When the image that shows window stop at last frame picture, intermediary is written in the last frame picture that frame per second conversion module is exported
Buffer area.
204, it determines that image is in intermediary's buffer area of magnifying state and last frame picture is completely written, stops from frame per second
Conversion module reads image, and the last frame picture after complete write-in is exported display, starts to input new image and write-in
Frame per second conversion module；
When the stopping input picture of step 202 is written to frame per second conversion module, and frame per second conversion module is read into image
Pointer is static, while the image that window is shown stops at last frame picture, will be in the last frame picture write-in after scaling
After Jie's buffer area, it is thus necessary to determine that last frame picture is completely written intermediary's buffer area that image is in magnifying state, stops
Image is read from frame per second conversion module, and the last frame picture after complete write-in is exported into display, starts to input new image
And frame per second conversion module is written.
205, it determines that image is in intermediary's buffer area of deflated state and last frame picture is completely written, stops from frame per second
Conversion module reads image, and the last frame picture after complete write-in is exported display, while configuring the scaling of Zoom module
Frame per second conversion module is written in the new image of Zoom module output by ratio；
When the image that Zoom module exports is written to frame per second conversion module by the stopping of step 203, and by frame per second modulus of conversion
The pointer that block reads image is static, while the image that window is shown stops at last frame picture, and frame per second conversion module is defeated
After last frame picture write-in intermediary's buffer area out, it is thus necessary to determine that intermediary's buffer area that image is in deflated state will be last
One frame picture is completely written, and stops reading image from frame per second conversion module, and the last frame picture after complete write-in is exported
It has been shown that, while the scaling of Zoom module is configured, frame per second conversion module is written into the new image of Zoom module output.
206, last frame picture is completely written the intermediary's buffer area for determining that image is in magnifying state to deflated state,
Stop reading image from frame per second conversion module, and the last frame picture after complete write-in is exported into display, switches Zoom module
With the position of frame per second conversion module, while the scaling of Zoom module is configured, the new image of Zoom module output is written
Frame per second conversion module；
When the stopping input picture of step 202 is written to frame per second conversion module, and frame per second conversion module is read into image
Pointer is static, while the image that window is shown stops at last frame picture, will be in the last frame picture write-in after scaling
After Jie's buffer area, the intermediary's buffer area for determining that image is in magnifying state to deflated state completely writes last frame picture
Enter, stop reading image from frame per second conversion module, and the last frame picture after complete write-in is exported into display, switching scaling mould
The position of block and frame per second conversion module, while the scaling of Zoom module is configured, the new image that Zoom module exports is write
Enter frame per second conversion module.
207, last frame picture is completely written the intermediary's buffer area for determining that image is in deflated state to magnifying state,
Stop reading image from frame per second conversion module, and the last frame picture after complete write-in is exported into display, switches Zoom module
With the position of frame per second conversion module, starts to input new image and frame per second conversion module is written；
When the image that Zoom module exports is written to frame per second conversion module by the stopping of step 203, and by frame per second modulus of conversion
The pointer that block reads image is static, while the image that window is shown stops at last frame picture, and frame per second conversion module is defeated
After last frame picture write-in intermediary's buffer area out, it is thus necessary to determine that the intermediary that image is in deflated state to magnifying state is slow
It deposits area last frame picture is completely written, stops reading image from frame per second conversion module, and will last after complete write-in
The output display of frame picture, switches the position of Zoom module and frame per second conversion module, starts to input new image and frame per second is written to turn
Change the mold block.
208, determine image be in magnifying state or deflated state to magnifying state frame per second conversion module new image
Write-in is completed, and is stopped exporting from intermediary's buffer area and is shown, the frame per second of activation frame per second conversion module caches reading pointer, and from frame per second
New image is read in caching, while configuring the scaling and window displaing coordinate of Zoom module, by the new figure after scaling
As output display；
After step 204 or 207, it is thus necessary to determine that image is in magnifying state or deflated state to the frame per second of magnifying state
The new image of conversion module, which is written, to be completed, and stops exporting display from intermediary's buffer area, the frame per second of activation frame per second conversion module is slow
Reading pointer is deposited, and reads new image from frame per second caching, while configuring the scaling and window display seat of Zoom module
New image after scaling is exported display by mark.
209, determine image be in deflated state or magnifying state to deflated state frame per second conversion module new image
Write-in is completed, and is stopped exporting from intermediary's buffer area and is shown, the frame per second of activation frame per second conversion module caches reading pointer, and from frame per second
New image, while allocation window displaing coordinate are read in caching, and the new image after scaling is exported into display.
After step 205 or 206, it is thus necessary to determine that image is in deflated state or magnifying state to the frame per second of deflated state
The new image of conversion module, which is written, to be completed, and stops exporting display from intermediary's buffer area, the frame per second of activation frame per second conversion module is slow
Reading pointer is deposited, and reads new image, while allocation window displaing coordinate from frame per second caching, by the new image after scaling
Output display.
As shown in Fig. 5 (a) to (c), the application examples of switching when image is in magnifying state includes:
Such as Fig. 5 (a), when image amplification, frame per second conversion module is before Zoom module, at this time if window size changes
Become, but still be the state to image amplification, stops input picture and be written to frame per second conversion module, while will be from frame per second modulus of conversion
The pointer that block reads image is static, is maintained at output last frame picture on window, while the image after scaling is write intermediary
Buffer area, intermediary's caching are realized as frame per second conversion by external memory.
As Fig. 5 (b) stops reading image from frame per second conversion module after a frame complete image write-in intermediary's buffer area
Frame, while being switched to and reading the output of intermediary's buffer area.And input terminal allows for picture signal to be written to frame per second conversion module at this time.
As Fig. 5 (c) stops reading from intermediary's buffer area and scheme after picture frame input new in frame per second conversion module
Picture, activation frame per second caches reading pointer, and reads picture frame from frame per second caching, while configuring Zoom module scaling and window
Image after scaling is exported display by mouth displaing coordinate.
As shown in Fig. 6 (a) to (c), the application examples of switching when image is in zoom state includes:
Such as Fig. 6 (a), when image down, frame per second conversion module is behind Zoom module, at this time if window size changes
Become, but still be the state to image down, stop the image that Zoom module exports being written to frame per second conversion module, simultaneously will
The pointer that frame per second conversion module reads image is static, is maintained on window output last frame picture, while frame per second being converted defeated
It is written to intermediary buffer area out.
As Fig. 6 (b) stops reading image from frame per second conversion module after a frame complete image write-in intermediary's buffer area
Frame, while being switched to and reading the output of intermediary's buffer area.Zoom module scaling is configured simultaneously at this time, and Zoom module is exported
Picture signal be written to frame per second conversion module.
As Fig. 6 (c) stops reading from intermediary's buffer area and scheme after picture frame input new in frame per second conversion module
Picture, activation frame per second caches reading pointer, and reads picture frame, while allocation window displaing coordinate from frame per second caching, image
Output display.
As shown in Fig. 7 (a) to (c), the application examples of switching of the image from magnifying state to deflated state includes:
Such as Fig. 7 (a), when image amplification, frame per second conversion module is before Zoom module, at this time if window size changes
Become, and become image down, stops input picture and be written to frame per second conversion module, while will read and scheme from frame per second conversion module
The pointer of picture is static, is maintained at output last frame picture on window, while the image after scaling is write intermediary's buffer area.
As Fig. 7 (b) stops reading image from frame per second conversion module after a frame complete image write-in intermediary's buffer area
Frame, while being switched to and reading the output of intermediary's buffer area.Switch the position of Zoom module and frame per second conversion module, while configuring scaling
Module scaling, and the picture signal that Zoom module exports is written to frame per second conversion module.
As Fig. 7 (c) stops reading from intermediary's buffer area and scheme after picture frame input new in frame per second conversion module
Picture, activation frame per second caches reading pointer, and reads picture frame, while allocation window displaing coordinate from frame per second caching, image
Output display.
As shown in Fig. 8 (a) to (c), the application examples of switching of the image from deflated state to magnifying state includes:
Such as Fig. 8 (a), when image down, frame per second conversion module is behind Zoom module, at this time if window size changes
Become, and become image amplification, stops the image that Zoom module exports being written to frame per second conversion module, while frame per second being converted
The pointer that module reads image is static, is maintained at output last frame picture on window, while frame per second conversion output being written to
Intermediary buffer area.
As Fig. 8 (b) stops reading image from frame per second conversion module after a frame complete image write-in intermediary's buffer area
Frame, while being switched to and reading the output of intermediary's buffer area.Switch the position of Zoom module and frame per second conversion module, input terminal is permitted at this time
Perhaps picture signal is written to frame per second conversion module.
As Fig. 8 (c) stops reading from intermediary's buffer area and scheme after picture frame input new in frame per second conversion module
Picture, activation frame per second caches reading pointer, and reads picture frame from frame per second caching, while configuring Zoom module scaling and window
Image after scaling is exported display by mouth displaing coordinate.
In the present embodiment, it is written to frame per second conversion module by stopping input picture when window size changes, and will figure
It is then from intermediary's buffer area that the last frame picture output after complete write-in is aobvious as intermediary's buffer area is written in last frame picture
Show, and start to input new image and frame per second conversion module is written, finally determines that the new image of frame per second conversion module has been written
At stopping is exported from intermediary's buffer area and shown, and exports display from frame per second conversion module by new image, is realized on combination
Window smoothly switches, and the operation to memory one write-in and a reading is kept not increase storage tape in handoff procedure
Width solves current by judging that image is amplification or reduces and switch the side of Zoom module and frame per second conversion module position
Method reduces the bandwidth in combination image scaling, due to the afterbody frame buffer module that do not fix, in image scaling multiplying power
During window coordinates variation, it may appear that the phenomenon that window moment flower screen, the technical issues of caused influence user experience.
Referring to Fig. 3, a kind of combination windows exchange device one embodiment provided in an embodiment of the present invention includes:
Writing unit 301 is written to frame per second conversion module for when window size changes, stopping input picture, and will
Intermediary's buffer area is written in image last frame picture；
First display unit 302, for exporting display from intermediary's buffer area by the last frame picture after complete write-in, and
Start to input new image and frame per second conversion module is written；
Second display unit 303 stops caching from intermediary for determining that the new image write-in of frame per second conversion module is completed
Area's output display, and display is exported from frame per second conversion module by new image.
In the present embodiment, input picture is stopped by writing unit 301 when window size changes and is written to frame per second conversion
Module, and intermediary's buffer area is written into image last frame picture, then the first display unit 302 will be complete from intermediary's buffer area
Last frame picture after write-in exports display, and starts to input new image and frame per second conversion module is written, and the second last is aobvious
Show that unit 303 determines that the new image write-in of frame per second conversion module is completed, stop exporting from intermediary's buffer area and show, and from frame per second
New image is exported display by conversion module, realizes smoothly switching for window on combination, and is kept in handoff procedure to depositing
Reservoir one write-in and one reading operation do not increase memory bandwidth, solve it is current by judge image be amplify or
It reduces to switch the method for Zoom module and frame per second conversion module position, the bandwidth in combination image scaling is reduced, due to not having
There is fixed afterbody frame buffer module, during image scaling multiplying power and window coordinates change, it may appear that window wink
Between flower screen the phenomenon that, the technical issues of caused influence user experience.
The above is that each unit of combination windows exchange device is described in detail, and will be carried out below to each subelement
Detailed description, referring to Fig. 4, another embodiment packet of a kind of combination windows exchange device provided in an embodiment of the present invention
It includes:
Writing unit 401 is written to frame per second conversion module for when window size changes, stopping input picture, and will
Intermediary's buffer area is written in image last frame picture, and writing unit 401 is specifically used for showing window when window size changes
The image shown stops at last frame picture, stops input picture and is written to frame per second conversion module, and image last frame is drawn
Intermediary's buffer area is written in face；
Writing unit 401 specifically includes:
Judgment sub-unit 4011, the type changed for judging window size, if image is in magnifying state or amplification shape
State then triggers the first write-in subelement 4012 to deflated state, if image is in deflated state or deflated state to magnifying state,
Then the second write-in of triggering subelement 4013；
First write-in subelement 4012, is written to frame per second conversion module for stopping input picture, and by frame per second modulus of conversion
The pointer that block reads image is static, while the image that window is shown stops at last frame picture, by last after scaling
Intermediary's buffer area is written in frame picture；
The image that Zoom module exports is written to frame per second conversion module for stopping by the second write-in subelement 4013, and
The pointer that frame per second conversion module is read image is static, while the image that window is shown stops at last frame picture, by frame
Intermediary's buffer area is written in the last frame picture of rate conversion module output.
First display unit 402, for exporting display from intermediary's buffer area by the last frame picture after complete write-in, and
Start to input new image and frame per second conversion module is written；
First display unit 402 specifically includes:
First write-in display subelement 4021, for determining that image is in intermediary's buffer area of magnifying state for last frame
Picture is completely written, and stops reading image from frame per second conversion module, and the last frame picture after complete write-in is exported display,
Start to input new image and frame per second conversion module is written；
Second write-in display subelement 4022, for determining that image is in intermediary's buffer area of deflated state for last frame
Picture is completely written, and stops reading image from frame per second conversion module, and the last frame picture after complete write-in is exported display,
Frame per second conversion module is written in the new image of Zoom module output by the scaling for configuring Zoom module simultaneously；
Third write-in display subelement 4023, the intermediary's buffer area for being in magnifying state to deflated state for determining image
Last frame picture is completely written, stops reading image from frame per second conversion module, and the last frame after complete write-in is drawn
Face output display, switches the position of Zoom module and frame per second conversion module, while configuring the scaling of Zoom module, will scale
Frame per second conversion module is written in the new image of module output；
4th write-in display subelement 4024, the intermediary's buffer area for being in deflated state to magnifying state for determining image
Last frame picture is completely written, stops reading image from frame per second conversion module, and the last frame after complete write-in is drawn
Face output display, switches the position of Zoom module and frame per second conversion module, starts to input new image and frame per second modulus of conversion is written
Block.
Second display unit 403 stops caching from intermediary for determining that the new image write-in of frame per second conversion module is completed
Area's output display, and display is exported from frame per second conversion module by new image.
Second display unit 403 specifically includes:
First display processing subelement 4031, for determining that image is in magnifying state or deflated state arrives magnifying state
The new image of frame per second conversion module, which is written, to be completed, and is stopped exporting display from intermediary's buffer area, is activated the frame of frame per second conversion module
Rate caches reading pointer, and reads new image from frame per second caching, at the same configure Zoom module scaling and window it is aobvious
Show coordinate, the new image after scaling is exported into display；
Second display processing subelement 4032, for determining that image is in deflated state or magnifying state arrives deflated state
The new image of frame per second conversion module, which is written, to be completed, and is stopped exporting display from intermediary's buffer area, is activated the frame of frame per second conversion module
Rate caches reading pointer, and reads new image, while allocation window displaing coordinate from frame per second caching, will be new after scaling
Image output display.
In the present embodiment, input picture is stopped by writing unit 401 when window size changes and is written to frame per second conversion
Module, and intermediary's buffer area is written into image last frame picture, then the first display unit 402 will be complete from intermediary's buffer area
Last frame picture after write-in exports display, and starts to input new image and frame per second conversion module is written, and the second last is aobvious
Show that unit 403 determines that the new image write-in of frame per second conversion module is completed, stop exporting from intermediary's buffer area and show, and from frame per second
New image is exported display by conversion module, realizes smoothly switching for window on combination, and is kept in handoff procedure to depositing
Reservoir one write-in and one reading operation do not increase memory bandwidth, solve it is current by judge image be amplify or
It reduces to switch the method for Zoom module and frame per second conversion module position, the bandwidth in combination image scaling is reduced, due to not having
There is fixed afterbody frame buffer module, during image scaling multiplying power and window coordinates change, it may appear that window wink
Between flower screen the phenomenon that, the technical issues of caused influence user experience.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit
It closes or communicates to connect, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) executes the complete of each embodiment the method for the present invention
Portion or part steps.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can store journey
The medium of sequence code.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although referring to before
Stating embodiment, invention is explained in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of combination windows switching method characterized by comprising
When window size changes, stop input picture and be written to frame per second conversion module, and by described image last frame picture
Intermediary's buffer area is written；
Display is exported from intermediary's buffer area by the last frame picture after complete write-in, and starts input and has not inputted
At new described image and the frame per second conversion module is written；
It determines that the new described image write-in of the frame per second conversion module is completed, stops exporting display from intermediary's buffer area,
And display is exported from the frame per second conversion module by new described image.
2. combination windows switching method according to claim 1, which is characterized in that when window size changes, stop
Input picture is written to frame per second conversion module, and described image last frame picture write-in intermediary's buffer area is specifically included:
When window size changes, the described image that window is shown stops at the last frame picture, stops input picture
It is written to frame per second conversion module, and intermediary's buffer area is written into described image last frame picture.
3. combination windows switching method according to claim 2, which is characterized in that when window size changes, by window
The described image of mouthful display stops at the last frame picture, stops input picture and is written to frame per second conversion module, and by institute
Image last frame picture write-in intermediary's buffer area is stated to specifically include:
The type for judging that window size changes stops if image is in magnifying state or the magnifying state to deflated state
Input picture is written to the frame per second conversion module, and the pointer that the frame per second conversion module is read image is static, simultaneously will
The described image that window is shown stops at the last frame picture, and the last frame picture write-in intermediary after scaling is delayed
Deposit area；
If image is in what the deflated state or the deflated state exported Zoom module to the magnifying state, stopping
Described image is written to the frame per second conversion module, and the pointer that the frame per second conversion module is read image is static, simultaneously will
The described image that window is shown stops at the last frame picture, the last frame that the frame per second conversion module is exported
Intermediary's buffer area is written in picture.
4. combination windows switching method according to claim 3, which is characterized in that will be complete from intermediary's buffer area
The last frame picture after write-in exports display, and starts input and do not input described in new described image and the write-in of completion
Frame per second conversion module specifically includes:
Determine that image is in intermediary's buffer area of the magnifying state and the last frame picture is completely written, stop from
The frame per second conversion module reads image, and the last frame picture after complete write-in is exported display, starts input not
It inputs the new described image completed and the frame per second conversion module is written；
Or
Determine that image is in intermediary's buffer area of the deflated state and the last frame picture is completely written, stop from
The frame per second conversion module reads image, and the last frame picture after complete write-in is exported display, while configuring institute
The frame per second is written in the scaling for stating Zoom module, the new described image for not inputting completion that the Zoom module is exported
Conversion module；
Or
Determine image be in the magnifying state to the deflated state intermediary's buffer area by the last frame picture
Complete write-in stops reading image from the frame per second conversion module, and the last frame picture after complete write-in is exported
It has been shown that, switches the position of the Zoom module and the frame per second conversion module, while configuring the scaling of the Zoom module,
The frame per second conversion module is written in the new described image for not inputting completion that the Zoom module is exported；
Or
Determine image be in the deflated state to the magnifying state intermediary's buffer area by the last frame picture
Complete write-in stops reading image from the frame per second conversion module, and the last frame picture after complete write-in is exported
It has been shown that, switches the position of the Zoom module and the frame per second conversion module, starts the new figure that input does not input completion
Simultaneously the frame per second conversion module is written in picture.
5. combination windows switching method according to claim 3 or 4, which is characterized in that determine the frame per second modulus of conversion
The new described image write-in for not inputting completion of block is completed, and is stopped exporting from intermediary's buffer area and is shown, and from the frame
Rate conversion module specifically includes new described image output display:
Determine image be in the magnifying state or the deflated state to the magnifying state the frame per second conversion module
The new described image write-in for not inputting completion is completed, and stops exporting display from intermediary's buffer area, the frame per second is activated to turn
The frame per second caching for changing the mold block reads the pointer, and new described image is read from frame per second caching, while described in configuration
New described image after scaling is exported display by the scaling and window displaing coordinate of Zoom module；
Or
Determine image be in the deflated state or the magnifying state to the deflated state the frame per second conversion module
The new described image write-in for not inputting completion is completed, and stops exporting display from intermediary's buffer area, the frame per second is activated to turn
The frame per second caching for changing the mold block reads the pointer, and new described image is read from frame per second caching, while described in configuration
New described image after scaling is exported display by window displaing coordinate.
6. a kind of combination windows exchange device characterized by comprising
Writing unit, for stopping input picture and being written to frame per second conversion module when window size changes, and by described image
Intermediary's buffer area is written in last frame picture；
First display unit, for exporting display from intermediary's buffer area by the last frame picture after complete write-in,
And starts input and do not input the new described image of completion and the frame per second conversion module is written；
Second display unit stops from described for determining that the new described image write-in of the frame per second conversion module is completed
The output display of Jie's buffer area, and display is exported from the frame per second conversion module by new described image.
7. combination windows exchange device according to claim 6, which is characterized in that said write unit is specifically used for
When window size changes, the described image that window is shown stops at the last frame picture, stops input picture write-in
Intermediary's buffer area is written to frame per second conversion module, and by described image last frame picture.
8. combination windows exchange device according to claim 7, which is characterized in that said write unit specifically includes:
Judgment sub-unit, the type changed for judging window size, if image is in magnifying state or the magnifying state arrives
Deflated state then triggers the first write-in subelement, if image is in the deflated state or the deflated state to the amplification
State then triggers the second write-in subelement；
The first write-in subelement is written to the frame per second conversion module for stopping input picture, and the frame per second is turned
The pointer for changing the mold block reading image is static, while the described image that window is shown stops at the last frame picture, will contract
Intermediary's buffer area is written in the last frame picture after putting；
The described image that Zoom module exports is written to the frame per second modulus of conversion for stopping by the second write-in subelement
Block, and the pointer that the frame per second conversion module is read image is static, while described in the described image that window show stops at
Intermediary's buffer area is written in the last frame picture of frame per second conversion module output by last frame picture.
9. combination windows exchange device according to claim 8, which is characterized in that first display unit specifically wraps
It includes:
First write-in display subelement, for determine image be in the magnifying state intermediary's buffer area will it is described finally
One frame picture is completely written, and stops reading image from the frame per second conversion module, and by the last frame after complete write-in
Picture output display starts input and does not input the new described image of completion and the frame per second conversion module is written；
Second write-in display subelement, for determine image be in the deflated state intermediary's buffer area will it is described finally
One frame picture is completely written, and stops reading image from the frame per second conversion module, and by the last frame after complete write-in
Picture output display, while the scaling of the Zoom module is configured, completion is not inputted by what the Zoom module exported
The frame per second conversion module is written in new described image；
Third write-in display subelement, the intermediary for determining that image is in the magnifying state to the deflated state are slow
It deposits area the last frame picture is completely written, stops reading image from the frame per second conversion module, and after being completely written
The last frame picture export display, switch the position of the Zoom module and the frame per second conversion module, configure simultaneously
The frame is written in the scaling of the Zoom module, the new described image for not inputting completion that the Zoom module is exported
Rate conversion module；
4th write-in display subelement, the intermediary for determining that image is in the deflated state to the magnifying state are slow
It deposits area the last frame picture is completely written, stops reading image from the frame per second conversion module, and after being completely written
The last frame picture export display, switch the position of the Zoom module and the frame per second conversion module, start to input
The new described image of completion is not inputted and the frame per second conversion module is written.
10. combination windows exchange device according to claim 8 or claim 9, which is characterized in that the second display unit specifically wraps
It includes:
First display processing subelement, for determining that image is in the magnifying state or the deflated state to the amplification shape
The new described image write-in for not inputting completion of the frame per second conversion module of state is completed, and is stopped defeated from intermediary's buffer area
It shows out, activates the frame per second of the frame per second conversion module to cache and read the pointer, and read newly from frame per second caching
Described image, while the scaling and window displaing coordinate of the Zoom module are configured, by the new described image after scaling
Output display；
Second display processing subelement, for determining that image is in the deflated state or the magnifying state to the diminution shape
The new described image write-in for not inputting completion of the frame per second conversion module of state is completed, and is stopped defeated from intermediary's buffer area
It shows out, activates the frame per second of the frame per second conversion module to cache and read the pointer, and read newly from frame per second caching
Described image, while the window displaing coordinate is configured, the new described image after scaling is exported into display.
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| CN108228055A (en) * | 2018-01-22 | 2018-06-29 | 青岛海信移动通信技术股份有限公司 | A kind of the window's position adjustment control method, device and terminal |
| CN108769600B (en) * | 2018-06-12 | 2020-07-03 | 杭州叙简科技股份有限公司 | Desktop sharing system based on video stream frame rate adjustment and desktop sharing method thereof |
| CN110769165B (en) * | 2018-07-25 | 2022-06-14 | 浙江宇视科技有限公司 | Video cutting display method and device |
| CN111124577B (en) * | 2019-12-23 | 2021-12-07 | 威创集团股份有限公司 | Screen display control method and electronic equipment |
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