CN105872701A - Method and mobile terminal for realizing video playing control - Google Patents
Method and mobile terminal for realizing video playing control Download PDFInfo
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- CN105872701A CN105872701A CN201510883711.2A CN201510883711A CN105872701A CN 105872701 A CN105872701 A CN 105872701A CN 201510883711 A CN201510883711 A CN 201510883711A CN 105872701 A CN105872701 A CN 105872701A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/7243—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages
- H04M1/72439—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages for image or video messaging
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
- H04N21/41407—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Business, Economics & Management (AREA)
- General Business, Economics & Management (AREA)
- Human Computer Interaction (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Engineering & Computer Science (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a method and a mobile terminal for realizing video playing control. The method comprises the following steps of monitoring whether a first trigger condition is generated; and if the first trigger condition is generated, reducing screen refresh rate of a display screen and video frame playing rate of the current playing video content. The mobile terminal comprises a display screen trigger detection module and a video playing control service module. The method of the invention allows a user to dynamically reduce the video frame playing rate of the current playing video content according to the own requirements, when the video frame playing rate is reduced, the screen refresh rate of hardware of the display screen is reduced to reduce the power consumption, the using requirements for the user to view a slow playing detail effect are finally realized, and the user experience is effectively improved.
Description
Technical field
The present invention relates to field of video processing, particularly relate to a kind of method realizing video playback control and shifting
Dynamic terminal.
Background technology
The software platform of mobile terminal can support polytype multimedia function, and one of them is important
Function be exactly video content play, and, video content playing function the most from strength to strength, range of application
More and more extensive.
But, the present inventor finds under study for action, and user is using the video content of mobile terminal
During playing function, mobile terminal plays video content only in a certain fixing presentation of video frames speed, uses
Family cannot dynamically adjust the presentation of video frames speed of video content according to the actual demand of oneself, directly affects
The experience of user.Such as, user uses mobile phone at party one section of video content of photographs, is returning
During putting, if seeing certain wonderful, this user wishes that mobile phone can be with than normal frame of video
The slower playback rate of playback rate plays this wonderful, in order to user can be in this wonderful
Each plot sees.It addition, the playing function of video content expends the electricity of mobile terminal the most very much,
This problem is especially prominent in the broadcasting of HD video content.
To sum up, how while providing the user more personalized presentation of video frames speed, movement is saved
Terminal power is the problem needing to solve.
Summary of the invention
In order to solve above-mentioned technical problem, it is proposed that a kind of method realizing video playback control and movement are eventually
End, in order to save mobile terminal electricity while providing the user more personalized presentation of video frames speed
Amount.
The invention provides a kind of method realizing video playback control, described method includes: monitor whether
Produce the first trigger condition；If producing described first trigger condition, reduce the screen-refresh frequency of display screen
The presentation of video frames speed of the video content that rate reduction are currently played.
Said method can also have the following characteristics that
Monitor whether to produce the second trigger condition；If producing described second trigger condition, by display screen
Screen refresh frequency reverts to the screen refresh frequency before reducing and by the presentation of video frames of described video content
Rate recovery is the presentation of video frames speed before reducing.
Said method can also have the following characteristics that
Trigger condition includes: clicks screen, double-click screen, along preset direction paddling screen or along presetting
Figure paddling screen.
Said method can also have the following characteristics that
The screen refresh frequency of described reduction display screen includes: the video playback triggering framework services layer controls
The locally located interface of display screen frame synchronizing signal of encapsulation in service call JNI layer, in order to by described aobvious
It is default screen-refresh that the locally located interface of display screen frame synchronizing signal arranges the screen refresh frequency of display screen
Frequency, described default screen refresh frequency is less than the screen refresh frequency of operating system acquiescence；
The presentation of video frames speed of the described video content of described reduction includes: trigger the video of framework services layer
Play the presentation of video frames speed controlling to encapsulate in service call application layer and interface is set, in order to by described
Presentation of video frames speed arrange interface arrange described video playback application presentation of video frames speed be default
Presentation of video frames speed, described default presentation of video frames speed is less than described video playback application acquiescence
Presentation of video frames speed.
Said method can also have the following characteristics that
The described screen refresh frequency reverted to by the screen refresh frequency of display screen before reducing includes: trigger
It is local that the video playback of framework services layer controls the display screen frame synchronizing signal of encapsulation in service call JNI layer
Interface is set, in order to arrange display screen by calling the described locally located interface of display screen frame synchronizing signal
Screen refresh frequency is the screen refresh frequency before reducing；
The presentation of video frames speed that the described playback rate by described video content reverts to before reducing includes:
Trigger the presentation of video frames speed of encapsulation in the video playback control service call application layer of framework services layer to set
Put interface, in order to interface is set by described presentation of video frames speed regarding of described video playback application is set
Frequently frame playback rate is the presentation of video frames speed before reducing.
Said method can also have the following characteristics that
When the screen refresh frequency arranging display screen is default screen refresh frequency, described framework services
The video playback of layer controls any one mode in service in the following manner and determines default screen-refresh frequency
Rate:
Mode one, is configured with described default screen refresh frequency in described video playback controls service
Parameter value, described video playback controls service and reads the parameter value of described default screen refresh frequency；
Mode two, is configured with the first ratio, described video playback control in described video playback controls service
Described first ratio is read in uniform business, calculates the screen refresh frequency of operating system acquiescence and described first ratio
The product of value, product value is described default screen refresh frequency；
When the presentation of video frames speed arranging the application of described video playback is default presentation of video frames speed
Time, any one mode that the video playback of described framework services layer controls in service in the following manner determines
Described default presentation of video frames speed:
Mode one, is configured with described default presentation of video frames speed in described video playback controls service
Parameter value, described video playback control service read described default presentation of video frames speed parameter value；
Mode two, is configured with the second ratio, described video playback control in described video playback controls service
Uniform business read described second ratio, calculate described video playback application acquiescence presentation of video frames speed with
The product of described second ratio, product value is described default presentation of video frames speed.
Said method can also have the following characteristics that
When the screen refresh frequency that the screen refresh frequency arranging display screen is before reducing, described framework takes
Any one mode that the video playback of business layer controls in service in the following manner determines what operating system was given tacit consent to
Screen refresh frequency:
Mode one, is configured with the screen brush of described operating system acquiescence in described video playback controls service
The parameter value of new frequency, described video playback controls service and reads the screen of described default operating system acquiescence
The parameter value of curtain refreshing frequency；
Mode two, producing after described first trigger condition and reducing the screen-refresh frequency of display screen
Before rate, the video playback of framework services layer controls the display screen frame synchronization of encapsulation in service call JNI layer
Signal this locality obtains interface, in order to obtain interface acquisition by calling described display screen frame synchronizing signal this locality
Described display screen is at current screen refresh frequency at current screen refresh frequency, described display screen
The screen refresh frequency of operating system acquiescence；
When the presentation of video frames speed arranging the application of described video playback is the playback rate before reducing, institute
Any one mode stated in the video playback control service in the following manner of framework services layer determines that video is broadcast
Put and apply the presentation of video frames speed given tacit consent to:
Mode one, is configured with regarding of described video playback application acquiescence in described video playback controls service
Frequently the parameter value of frame playback rate, described video playback controls service and reads described video playback application acquiescence
The parameter value of presentation of video frames speed；
Mode two, producing after described first trigger condition and reducing the screen-refresh frequency of display screen
Before rate, the video playback of framework services layer controls to be used for obtaining video playback in service call application layer should
Presentation of video frames speed interface obtain described video content in current presentation of video frames speed, institute
State video content and be the presentation of video frames speed of video playback application acquiescence in current presentation of video frames speed
Rate.
Said method can also have the following characteristics that
Described first ratio and described second ratio are linear relationship.
Present invention also offers a kind of mobile terminal realizing video playback control, described mobile terminal includes:
Display screen detection trigger module, video playback control service module；
Described display screen detection trigger module, is used for monitoring whether to produce the first trigger condition, and in monitoring
Service module transmission the first triggering signal is controlled to described video playback after producing the first trigger condition；
Described video playback controls service module, after being used for receiving the first triggering signal, reduces display screen
The presentation of video frames speed of the video content that screen refresh frequency reduction are currently played.
Above-mentioned mobile terminal can also have the following characteristics that
Described display screen detection trigger module, is additionally operable to monitor whether to produce the second trigger condition, in monitoring
Service module transmission the second triggering signal is controlled to described video playback after producing the second trigger condition；
Described video playback controls service module, after being used for receiving the second triggering signal, by the screen of display screen
Curtain refreshing frequency reverts to the screen refresh frequency before reducing and by the presentation of video frames speed of described video content
Rate reverts to the presentation of video frames speed before reducing.
The method of the present invention allows user dynamically to reduce the presentation of video frames of video content according to the demand of oneself
Speed, while reducing presentation of video frames speed, reduces the screen refresh frequency of display screen hardware, with
Reduce power consumption, be finally reached user and check the use requirement broadcasting details effect slowly, be effectively improved user and make
With experience.
Accompanying drawing explanation
Fig. 1 is the flow chart realizing the method that video playback controls；
Fig. 2 is the flow chart realizing the other method that video playback controls；
Fig. 3 is to realize the software frame that the method for video playback control is suitable for；
Fig. 4 is the structure chart realizing the mobile communication terminal that video playback controls.
Specific embodiment
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with this
Accompanying drawing in bright embodiment, is clearly and completely described the technical scheme in the embodiment of the present invention,
Obviously, described embodiment is a part of embodiment of the present invention rather than whole embodiments.Based on
Embodiment in the present invention, those of ordinary skill in the art are obtained under not making creative work premise
The every other embodiment obtained, broadly falls into the scope of protection of the invention.It should be noted that do not conflicting
In the case of, the embodiment in the application and the feature in embodiment can mutual combination in any.
Fig. 1 is the flow chart realizing the method that video playback controls.Realize the method bag that video playback controls
Include:
Step 101, monitors whether to produce the first trigger condition；
Step 102, if producing above-mentioned first trigger condition, reduces the screen refresh frequency of display screen also
Reduce the presentation of video frames speed of the video content being currently played.
On the basis of Fig. 1, this method also includes following processing procedure, and (Fig. 2 only illustrates as shown in Figure 2
The step increased):
Step 201, monitors whether to produce the second trigger condition；
Step 202, if producing above-mentioned second trigger condition, recovers the screen refresh frequency of display screen
For reduce before screen refresh frequency and by the presentation of video frames rate recovery of described video content for reduce before
Presentation of video frames speed.
First trigger condition and the second trigger condition each mean any one in operations described below: click screen,
Double-click screen, along preset direction paddling screen (paddling screen, to the left paddling screen, upwards the most to the right
Paddling screen or downward stroke screen) or along preset pattern paddling screen (drawing of such as closed circle
Dynamic, the paddling of closed triangle or the paddling of non-closed figure or erose paddling etc.).
First trigger condition and the second trigger condition can difference can also be identical.Obviously, if both are different,
Be easy to judgement is to create which trigger condition, when both are identical, then need set distinguish monitor touch
Clockwork spring part is the first trigger condition or the mode of the second trigger condition.Controlled state ginseng such as can be set
Number, during mobile terminal-opening, the value of this parameter is 0, and when a trigger condition produces, such as user is double
Hit screen, identify the value of this parameter, if the value of this parameter is 0, then can determine that this trigger condition is
One trigger condition, and the value of this parameter is set to 1, when another trigger condition produces, (user is again
Secondary double-click screen), identify the value of this parameter, if the value of this parameter is 1, then can determine that this triggers bar
Part is the second trigger condition, and the value of this parameter is reverted to 0.
It addition, in the present invention, it is also possible to continuously generate multiple first trigger condition, or continuously generate
Multiple second trigger conditions.Such as, the first trigger condition is paddling screen to the right, and the second trigger condition is
Slide screen to the left, user when watching video content, for the first time paddling screen the most to the right, can make current
The presentation of video frames rate reduction of the video content play, and it is in state of broadcasting slowly, if user is not
Presentation of video frames speed after satisfied reduction, it is also possible to continue for the second time, for the third time ... paddling screen to the right
Curtain, so that the presentation of video frames speed of the video content being currently played continues to reduce.Equally, as
Really user wants the presentation of video frames rate recovery being in the video content broadcasting state slowly is regarding before reducing
Frequently frame playback rate, it is necessary to paddling screen the most to the left.
Fig. 3 is to realize the software frame that the method for video playback control is suitable for.This framework wraps from top to bottom
Include application layer, framework services (Framework Service) layer, JAVA local interface (Java Native
Interface, be called for short JNI) layer i.e. JNI layer, hardware abstraction layer (Hardware Abstraction Layer,
Be called for short HAL) i.e. HAL layer.
Framework services layer support, for realizing the various services of difference in functionality, can set according to the needs of user
Put service-specific.The service of framework services layer is by Android IDL (Android Interface
Definition Language, is called for short AIDL) and application layer communication, concrete, the clothes of framework services layer
It is engaged in monitoring (Listener) mechanism by AIDL to communicate with the third-party application in application layer, wherein,
AIDL monitoring mechanism is the conventional mechanism for framework services layer Yu application layer communication, does not the most make in detail
State.JNI layer is packaged with a large amount of JNI interface for realizing JAVA language and HAL layer in framework services layer
The conversion of C/C++ language, the mode of the service call JNI interface of framework services layer uses in HAL layer
Api function.
JNI interface relevant to this method in JNI layer includes following two:
First interface is the locally located interface of display screen frame synchronizing signal, is specifically defined as:
private native int nativeSetLcdVsync()；
Call this JNI interface to call the display screen frame synchronizing signal of HAL layer and arrange function, HAL
The definition of this api function in Ceng is: int set_lcd_Vsync (), and the function of this function is for arranging display
The frequency of vertical synchronization (Vertical synchronization the is called for short Vsync) signal of screen, in display
Before screen often carries out the scanning of a frame, this signal the most once will be may determine that LCD by this signal
Field frequency i.e. screen refresh frequency.Generally this Vsync signal is referred to as display screen frame synchronizing signal, this letter
Number frequency be screen refresh frequency.
Second interface is that display screen frame synchronizing signal this locality obtains interface, is specifically defined as:
private native int nativeGetLcdVsync()；
Call this JNI interface and can call the display screen frame synchronizing signal acquisition function of HAL layer, this function
Definition be: int get_lcd_Vsync (), the function of this function be obtain display screen vertical synchronizing signal
Frequency, i.e. obtain the frequency i.e. screen refresh frequency of the frame synchronizing signal of display screen.
The method of the present invention arranges video playback at framework services layer and controls service, use this video playback
Control service completes following both sides content:
First aspect: by calling the screen refresh frequency of the JNI Interface Controller display screen of JNI layer.
Video playback controls service and reduces aobvious by calling the locally located interface of screen frame synchronizing signal of JNI layer
The screen refresh frequency of display screen, concrete executive mode is as follows: the video playback triggering framework services layer controls
The locally located interface of display screen frame synchronizing signal of encapsulation in service call JNI layer, in order to pass through display screen
It is default screen-refresh frequency that the locally located interface of frame synchronizing signal arranges the screen refresh frequency of display screen
Rate, default screen refresh frequency is less than the screen refresh frequency of operating system acquiescence.
Video playback controls service and knows that the mode of default screen refresh frequency includes:
Mode one, is configured with the parameter value of default screen refresh frequency in video playback controls service,
Video playback controls service and reads the parameter value of the screen refresh frequency preset.
Mode two, is configured with the first ratio in video playback controls service, and video playback controls service and reads
Take described first ratio, calculate screen refresh frequency and the product of the first ratio of operating system acquiescence, take advantage of
Product value is default screen refresh frequency.
In conventional mobile terminal, the value of the screen refresh frequency of operating system acquiescence is 60, i.e. each second shows
Show 60 two field pictures.Default screen refresh frequency value can be set to 50, screen brush need to be reduced the most every time
During new frequency, screen refresh frequency is set to 50.First ratio can also be set to 5/6, every time
When need to reduce screen refresh frequency, calculate screen refresh frequency and this first ratio of operating system acquiescence
Product, can obtain default screen refresh frequency is 50, carries out continuous print when repeatedly reducing triggering, Ke Yi
On the basis of current screen refreshing frequency, the ratio with 5/6 is gradually lowered.Through experimental results demonstrate, will
First ratio is set to the value between 4/6 to 5/6, meet at the same time reduce power consumption performance requirement and
During user viewing, using of vision satisfaction requires that upper is optimum value mode.
Video playback controls service will be aobvious also by the locally located interface of screen frame synchronizing signal calling JNI layer
The screen refresh frequency of display screen reverts to the screen refresh frequency before reducing, and concrete executive mode is as follows: touch
Send out the display screen frame synchronizing signal encapsulated in the video playback control service call JNI layer of framework services layer originally
Interface is set, in order to by calling described display screen frame synchronizing signal locally located interface, display screen is set
Screen refresh frequency be reduce before screen refresh frequency.
When the screen refresh frequency that the screen refresh frequency arranging display screen is before reducing, framework services layer
Video playback control service in the following manner in any one mode determine the screen that operating system is given tacit consent to
Refreshing frequency:
Mode one, is configured with the screen refresh frequency of operating system acquiescence in video playback controls service
Parameter value, video playback controls the parameter that the screen refresh frequency of the operating system acquiescence preset is read in service
Value；
Mode two, produce after the first trigger condition and reduce display screen screen refresh frequency it
Before, the video playback of framework services layer controls the display screen frame synchronizing signal of encapsulation in service call JNI layer
Local acquisition interface, in order to exist by calling display screen frame synchronizing signal this locality acquisition interface acquisition display screen
Current screen refresh frequency, display screen is the screen of operating system acquiescence at current screen refresh frequency
Curtain refreshing frequency.
Second aspect: by applying the speed of the broadcasting to video content with the interactive controlling video playback of application layer
Rate.
Video playback controls service and sets by calling the presentation of video frames speed of video playback application in application layer
Putting interface and reduce the presentation of video frames speed playing application to video content, concrete executive mode is as follows: touch
The video playback sending out framework services layer controls the presentation of video frames speed setting of encapsulation in service call application layer
Interface, in order to interface is set by presentation of video frames speed the presentation of video frames speed of video playback application is set
Rate is default presentation of video frames speed, and default presentation of video frames speed is less than video playback application acquiescence
Presentation of video frames speed.
When the presentation of video frames speed arranging video playback application is default presentation of video frames speed, frame
Any one mode that the video playback of frame service layer controls in service in the following manner determines default video
Frame playback rate:
Mode one, is configured with the parameter value of default presentation of video frames speed in video playback controls service,
Video playback controls service and reads the parameter value of the presentation of video frames speed preset；
Mode two, is configured with the second ratio in video playback controls service, and video playback controls service and reads
Take described second ratio, calculate the presentation of video frames speed of video playback application acquiescence and taking advantage of of the second ratio
Long-pending, product value is default presentation of video frames speed.
In conventional mobile terminal, the presentation of video frames speed of video playback application is 30, i.e. display each second
30 two field pictures.Default presentation of video frames speed can be set to 20, presentation of video frames need to be reduced the most every time
During speed, presentation of video frames speed is set to 20.Second ratio can also be set to 2/3, every time
When need to reduce presentation of video frames speed, 2/3 into its initial value will be turned down when presentation of video frames speed.Carry out
When continuous print repeatedly reduces triggering, can on the basis of current screen refreshing frequency with 2/3 ratio by
Gradually reduce.Through experimental results demonstrate, when the first ratio and the second ratio are linear relationship, full at the same time
When foot reduces performance requirement and the user viewing of power consumption, the use of vision satisfaction requires upper for optimum
Value mode.
Video playback controls service and sets by calling the presentation of video frames speed of video playback application in application layer
Putting the presentation of video frames speed that interface recovers to play application to video content, concrete executive mode is as follows: touch
The video playback sending out framework services layer controls the presentation of video frames speed setting of encapsulation in service call application layer
Interface, in order to interface is set by presentation of video frames speed the presentation of video frames speed of video playback application is set
Rate is the presentation of video frames speed before reducing.
When the presentation of video frames speed arranging video playback application is the playback rate before reducing, framework takes
The video playback of business layer controls any one mode in service in the following manner and determines that video playback application is silent
The presentation of video frames speed recognized:
Mode one, is configured with the presentation of video frames of video playback application acquiescence in video playback controls service
The parameter value of speed, video playback controls service and reads the presentation of video frames speed of video playback application acquiescence
Parameter value；
Mode two, produce after the first trigger condition and reduce display screen screen refresh frequency it
Before, the video playback of framework services layer controls in service call application layer for obtaining video playback application
The interface acquisition video content of presentation of video frames speed is in current presentation of video frames speed, and video content exists
Current presentation of video frames speed is the presentation of video frames speed of video playback application acquiescence.
Fig. 4 is the structure chart realizing the mobile terminal that video playback controls.Realize the shifting that video playback controls
Mobile communication terminal includes: display screen detection trigger module, video playback control service module.
Display screen detection trigger module is used for monitoring whether to produce the first trigger condition, and is monitoring generation
Control service module to described video playback after first trigger condition and send the first triggering signal.
After video playback control service module is used for receiving the first triggering signal, reduce the screen brush of display screen
The presentation of video frames speed of the video content that new frequency reduction are currently played.
This mobile terminal also has the function that video playback controls to recover, concrete:
Display screen detection trigger module is additionally operable to monitor whether to produce the second trigger condition, is monitoring generation
Control service module to described video playback after second trigger condition and send the second triggering signal；
After video playback control service module is additionally operable to receive the second triggering signal, by the screen brush of display screen
New frequency retrieval is the screen refresh frequency before reducing by extensive for the presentation of video frames speed of described video content
Multiple for the presentation of video frames speed before reducing.
The corresponding phase of executive mode that the function of above-mentioned each module of mobile communication terminal is concrete with said method
With, here is omitted.
The method of the present invention allows user dynamically to reduce the presentation of video frames of video content according to the demand of oneself
Speed, while reducing presentation of video frames speed, reduces the screen refresh frequency of display screen hardware, with
Reduce power consumption, be finally reached user and check the use requirement broadcasting details effect slowly, be effectively improved user and make
With experience.
Specific embodiment
The screen refresh frequency of the system default of the touch screen of mobile terminal is that 60 frames are per second, presets screen brush
It is per second that new frequency is defaulted as 40 frames.The video frame rate of the video jukebox software acquiescence installed in mobile terminal
It is that 30 frames are per second, subfunction is set by video jukebox software arranges the default video frame rate in function
Arranging default video frame rate is that 15 frames are per second.Triggered by self-defining function setting software design patterns first
Condition triggers for double-clicking screen, and arranging the second trigger condition is closed circle figure paddling screen.
User, during playing HD video, wants that slowing down playback rate sees video details, double-clicks screen
Curtain, after mobile terminal detects the operation double-clicking screen, it is judged that meet the first trigger condition, uses video
Play and control the locally located interface of screen frame synchronizing signal of service call JNI layer by the screen-refresh of display screen
Per second to be revised as 40 frames per second from 60 frames for frequency, makes the terminal display screen brush screen rate reduction amount of saving energy,
And use video playback to control the interface of service call video playback application program by video playback application program
Per second to be revised as 15 frames per second from 30 frames for middle presentation of video frames speed, reaches user and uses needs.
User wants to recover the normal play rate of HD video, carries out closed circle figure on a display screen
Paddling, after terminal detects the operation of closed circle figure paddling, it is judged that meets the second trigger condition, makes
The locally located interface of screen frame synchronizing signal of service call JNI layer is controlled by the screen of display screen by video playback
It is per second that curtain refreshing frequency is revised as 60 frames from 40 frame amendments per second, and uses video playback to control service tune
With the interface of video playback application program by presentation of video frames speed in video playback application program from 15 frames
Per second to be revised as 30 frames per second, reaches user and uses needs.
Furthermore, it is necessary to illustrate, the specific embodiment described in this specification, its parts and components
Shape, be named title etc. can be different, and the above content described in this specification is only to the present invention
Structure example explanation.
Descriptions above can combine enforcement individually or in every way, and these modification
Mode is all within protection scope of the present invention.
In this article, term " includes ", " comprising " or its any other variant are intended to nonexcludability
Comprise so that include that the article of a series of key element or equipment not only include those key elements, and
Also include other key elements being not expressly set out, or also include intrinsic for this article or equipment
Key element.In the case of there is no more restriction, statement " including ... " key element limited, do not arrange
Except there is also other identical element in the article including key element or equipment.
Above example is only in order to illustrate technical scheme and unrestricted, reference only to preferably implementing
The present invention has been described in detail by example.It will be understood by those within the art that, can be to this
Bright technical scheme is modified or equivalent, without deviating from spirit and the model of technical solution of the present invention
Enclose, all should contain in the middle of scope of the presently claimed invention.
Claims (10)
1. one kind realizes the method that video playback controls, it is characterised in that described method includes:
Monitor whether to produce the first trigger condition；
If producing described first trigger condition, reducing the screen refresh frequency of display screen and the most just reducing
Presentation of video frames speed at the video content play.
2. the method for claim 1, it is characterised in that described method also includes:
Monitor whether to produce the second trigger condition；
If producing described second trigger condition, before reverting to the screen refresh frequency of display screen reduce
Screen refresh frequency and by the presentation of video frames rate recovery of described video content be reduce before frame of video broadcast
Put speed.
3. method as claimed in claim 1 or 2, it is characterised in that trigger condition includes: click screen
Curtain, double-click screen, along preset direction paddling screen or along preset pattern paddling screen.
4. the method for claim 1, it is characterised in that
The screen refresh frequency of described reduction display screen includes: the video playback triggering framework services layer controls
The locally located interface of display screen frame synchronizing signal of encapsulation in service call JNI layer, in order to by described aobvious
It is default screen-refresh that the locally located interface of display screen frame synchronizing signal arranges the screen refresh frequency of display screen
Frequency, described default screen refresh frequency is less than the screen refresh frequency of operating system acquiescence；
The presentation of video frames speed of the described video content of described reduction includes: trigger the video of framework services layer
Play the presentation of video frames speed controlling to encapsulate in service call application layer and interface is set, in order to by described
Presentation of video frames speed arrange interface arrange described video playback application presentation of video frames speed be default
Presentation of video frames speed, described default presentation of video frames speed is less than described video playback application acquiescence
Presentation of video frames speed.
5. method as claimed in claim 2, it is characterised in that
The described screen refresh frequency reverted to by the screen refresh frequency of display screen before reducing includes: trigger
It is local that the video playback of framework services layer controls the display screen frame synchronizing signal of encapsulation in service call JNI layer
Interface is set, in order to arrange display screen by calling the described locally located interface of display screen frame synchronizing signal
Screen refresh frequency is the screen refresh frequency before reducing；
The presentation of video frames speed that the described playback rate by described video content reverts to before reducing includes:
Trigger the presentation of video frames speed of encapsulation in the video playback control service call application layer of framework services layer to set
Put interface, in order to interface is set by described presentation of video frames speed regarding of described video playback application is set
Frequently frame playback rate is the presentation of video frames speed before reducing.
6. method as claimed in claim 4, it is characterised in that
When the screen refresh frequency arranging display screen is default screen refresh frequency, described framework services
The video playback of layer controls any one mode in service in the following manner and determines default screen-refresh frequency
Rate:
Mode one, is configured with described default screen refresh frequency in described video playback controls service
Parameter value, described video playback controls service and reads the parameter value of described default screen refresh frequency；
Mode two, is configured with the first ratio, described video playback control in described video playback controls service
Described first ratio is read in uniform business, calculates the screen refresh frequency of operating system acquiescence and described first ratio
The product of value, product value is described default screen refresh frequency；
When the presentation of video frames speed arranging the application of described video playback is default presentation of video frames speed
Time, any one mode that the video playback of described framework services layer controls in service in the following manner determines
Described default presentation of video frames speed:
Mode one, is configured with described default presentation of video frames speed in described video playback controls service
Parameter value, described video playback control service read described default presentation of video frames speed parameter value；
Mode two, is configured with the second ratio, described video playback control in described video playback controls service
Uniform business read described second ratio, calculate described video playback application acquiescence presentation of video frames speed with
The product of described second ratio, product value is described default presentation of video frames speed.
7. method as claimed in claim 5, it is characterised in that
When the screen refresh frequency that the screen refresh frequency arranging display screen is before reducing, described framework takes
Any one mode that the video playback of business layer controls in service in the following manner determines what operating system was given tacit consent to
Screen refresh frequency:
Mode one, is configured with the screen brush of described operating system acquiescence in described video playback controls service
The parameter value of new frequency, described video playback controls service and reads the screen of described default operating system acquiescence
The parameter value of curtain refreshing frequency；
Mode two, producing after described first trigger condition and reducing the screen-refresh frequency of display screen
Before rate, the video playback of framework services layer controls the display screen frame synchronization of encapsulation in service call JNI layer
Signal this locality obtains interface, in order to obtain interface acquisition by calling described display screen frame synchronizing signal this locality
Described display screen is at current screen refresh frequency at current screen refresh frequency, described display screen
The screen refresh frequency of operating system acquiescence；
When the presentation of video frames speed arranging the application of described video playback is the playback rate before reducing, institute
Any one mode stated in the video playback control service in the following manner of framework services layer determines that video is broadcast
Put and apply the presentation of video frames speed given tacit consent to:
Mode one, is configured with regarding of described video playback application acquiescence in described video playback controls service
Frequently the parameter value of frame playback rate, described video playback controls service and reads described video playback application acquiescence
The parameter value of presentation of video frames speed；
Mode two, producing after described first trigger condition and reducing the screen-refresh frequency of display screen
Before rate, the video playback of framework services layer controls to be used for obtaining video playback in service call application layer should
Presentation of video frames speed interface obtain described video content in current presentation of video frames speed, institute
State video content and be the presentation of video frames speed of video playback application acquiescence in current presentation of video frames speed
Rate.
8. method as claimed in claim 6, it is characterised in that described first ratio and described second
Ratio is linear relationship.
9. one kind realizes the mobile terminal that video playback controls, it is characterised in that described mobile terminal bag
Include: display screen detection trigger module, video playback control service module；
Described display screen detection trigger module, is used for monitoring whether to produce the first trigger condition, and in monitoring
Service module transmission the first triggering signal is controlled to described video playback after producing the first trigger condition；
Described video playback controls service module, after being used for receiving the first triggering signal, reduces display screen
The presentation of video frames speed of the video content that screen refresh frequency reduction are currently played.
10. mobile terminal as claimed in claim 9, it is characterised in that
Described display screen detection trigger module, is additionally operable to monitor whether to produce the second trigger condition, in monitoring
Service module transmission the second triggering signal is controlled to described video playback after producing the second trigger condition；
Described video playback controls service module, after being used for receiving the second triggering signal, by the screen of display screen
Curtain refreshing frequency reverts to the screen refresh frequency before reducing and by the presentation of video frames speed of described video content
Rate reverts to the presentation of video frames speed before reducing.
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