CN104994432A - Method for switching audio and video applications and television - Google Patents
Method for switching audio and video applications and television Download PDFInfo
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- CN104994432A CN104994432A CN201510355010.1A CN201510355010A CN104994432A CN 104994432 A CN104994432 A CN 104994432A CN 201510355010 A CN201510355010 A CN 201510355010A CN 104994432 A CN104994432 A CN 104994432A
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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
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47205—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for manipulating displayed content, e.g. interacting with MPEG-4 objects, editing locally
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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
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44204—Monitoring of content usage, e.g. the number of times a movie has been viewed, copied or the amount which has been watched
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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
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/458—Scheduling content for creating a personalised stream, e.g. by combining a locally stored advertisement with an incoming stream; Updating operations, e.g. for OS modules ; time-related management operations
Abstract
The invention relates to a method for switching audio and video applications and a television. The method includes the following steps: an instruction of switching to a target audio and video application is received; according to the instruction, a playing interface of the target audio and video application is started, and a currently playing audio and video application is set as a background program; the started target audio and video application is indicated to send a request of applying for audio and video resources to an audio and video resource lock management module; and if the audio and video resources of a corresponding target audio and video application in the audio and video resource lock management module are in an unlocked state, the audio and video resource lock management module receives the request, allocates the unlocked audio and video resources to the target audio and video application, and locks allocated audio and video resources. Through the method provided by the invention, returning to a homepage is not needed to serve as a transition step for application switching, and a decoder resource conflict in a switching process is avoided while the audio and video applications are rapidly switched.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of method and the television set that switch audiovisual applications.
Background technology
At present, the user interface of intelligent television generally has homepage, homepage is provided with the icon of multiple application, as shown in Figure 1.After user enters homepage, can open and run the application A on homepage.When needs are switched to application B from application A, user needs first to exit application A or at running background application A, back to homepage, then starts and applies B.
When apply A and application B be video or voice applications time, both share video or audio decoder resource R, as shown in Figure 2, when performing application A and being switched to the operation of application B, first application A or at running background application A is exited, to exit or in process at running background at application A, halt instruction is sent to video or audio decoder resource R by application A, after decoder resources R stops decoding, notice application A, application A successfully exits, system returns homepage, afterwards, start the application B on homepage, play instruction is sent to decoder resources R by application B, decoder resources R starts decoding, and play application B.
Along with popularizing of intelligent television system, the application that intelligent television is installed is opened more and more, correspondingly, the operation that user performs application switching is also more and more frequent, if the method switched according to above-mentioned application, each switching all needs application A-> homepage, homepage-> applies B two steps, therefore, the time interval that application switches is longer, have impact on Consumer's Experience to a certain extent.
Summary of the invention
The object of this invention is to provide a kind of method and the device that switch audiovisual applications, realizing without the need to will the excessive step of homepage as application switching be returned, while quick switching audiovisual applications, avoid the conflict sharing decoder resources between the application in handoff procedure.
On the one hand, the invention provides a kind of method switching audiovisual applications, described method comprises: receive the instruction switching to target sound Video Applications; According to described instruction, start the broadcast interface of described target sound Video Applications, and the current audiovisual applications play is set to background program; The described target sound Video Applications be activated is indicated to send the request of application audio and video resources to audio and video resources lock management module; If the audio and video resources of corresponding described target sound Video Applications is in released state in described audio and video resources lock management module, then described audio and video resources lock management module receives described request, the audio and video resources of unblock is distributed to described target sound Video Applications, and the audio and video resources of having distributed that locks.
On the other hand, the invention provides a kind of television set switching audiovisual applications, comprise receiver module, for receiving the instruction switching to target sound Video Applications; Executive Module, for the instruction received according to described receiver module, starts the broadcast interface of described target sound Video Applications, and the current audiovisual applications play is set to background program; Request module, sends for the described target sound Video Applications be activated the request applying for audio and video resources, and request results is sent to judge module to audio and video resources lock management module; Judge module, for the described request result sent according to the described request module received, judge whether the audio and video resources of corresponding described target sound Video Applications in described audio and video resources lock management module is in released state, and when described audio and video resources is in released state, send message to control module;
Control module, for the message sent according to judge module, indicates described audio and video resources lock management module to receive described request, the audio and video resources of unblock is distributed to described target sound Video Applications, and the audio and video resources of having distributed that locks.
In method provided by the invention and television devices, if television devices receives the instruction switching to target sound Video Applications, just perform the operation of the broadcast interface starting the target sound Video Applications after switching, broadcast interface by target sound Video Applications is set to current broadcast interface, the current audiovisual applications play is set to background program simultaneously, it is made to perform on backstage, afterwards, television devices indicates the target sound Video Applications be activated to send the request of application audio and video resources to audio and video resources lock management module, here audio and video resources specifically can be understood as audio/video decoder resource, if the audio and video resources of corresponding target sound Video Applications is in released state in audio and video resources lock management module, then audio and video resources lock management module receives this request, the audio and video resources of unblock is distributed to target sound Video Applications, and the audio and video resources of having distributed that locks, target sound Video Applications is made to obtain audio and video resources needed for it, this target sound Video Applications is play, and the audio and video resources shared by target sound Video Applications is locked, to indicate this resource just occupied.
Said method and television devices are after receiving the instruction switching to target sound Video Applications, just perform the operation of the broadcast interface starting target sound Video Applications, the key achieving target sound Video Applications switches, compared in prior art, first the current audiovisual applications play is exited, back to homepage, the operation of target sound Video Applications is started again on homepage, need not before switching to target sound Video Applications, perform the operation returning homepage, and without the need to the homepage after returning performing the operation starting target sound Video Applications, but directly pass through switching command, target sound Video Applications is switched to from current audiovisual applications, because this simplify the step that application switches.And, because while the broadcast interface starting target sound Video Applications, the audiovisual applications play is set to background program, now, the audiovisual applications being set to background program does not still likely discharge its decoder resources of occupying, that is, its decoder resources of occupying still is in locking state, so, in the present invention, in order to avoid the decoder resources between two methods produces conflict, when judging that the audio and video resources of corresponding described target sound Video Applications in audio and video resources lock management module is in released state, just target sound Video Applications decoded and play, and then, even if when television devices only has a decoder, also the resource contention of current audiovisual applications and target sound Video Applications can not be caused.
To sum up, compared to prior art, the present invention can start the broadcast interface of target sound Video Applications rapidly, shorten the time interval of switch application, and, due to target sound Video Applications can be switched to by a switching command, do not need first the current audiovisual applications play to be exited, system restarts target sound Video Applications after back to homepage, so the user interface of smart machine can not need to design homepage, namely do not need homepage as the entrance starting application, make the interface of smart machine more succinct, realize user interface without homepage designing.And, because when a certain audiovisual applications takies audio and video resources, this audio and video resources is locked, like this, when target sound Video Applications request audio and video resources after switching, do not need repeatedly to inquire about interface corresponding to audio and video resources, but send directly to audio and video resources lock management module and ask, decrease the number of times of interface corresponding to access audio and video resources, reduce this interface and abnormal probability occurs.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the homepage of intelligent television user interface in background technology of the present invention;
Fig. 2 is the schematic flow diagram of intelligent television switch application in background technology of the present invention;
Fig. 3 is the method flow schematic diagram switching audiovisual applications in the embodiment of the present invention;
Fig. 4 is the schematic flow sheet of the step S100 of the method switching audiovisual applications in the embodiment of the present invention;
Fig. 5 is that in the embodiment of the present invention, balance switches one of schematic flow sheet of the resource of former and later two application;
Fig. 6 is the schematic flow sheet two that in the embodiment of the present invention, balance switches the resource of former and later two application;
Fig. 7 is the structure chart of the television set of switching audiovisual applications in the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described, should be appreciated that embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
Here will be described exemplary embodiment in detail, its sample table shows in the accompanying drawings.When description below relates to accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawing represents same or analogous key element.Execution mode described in following exemplary embodiment does not represent all execution modes consistent with the present invention.On the contrary, they only with as in appended claims describe in detail, the example of apparatus and method that aspects more of the present invention are consistent.
The embodiment of the present invention provides a kind of method switching audiovisual applications, be applicable to the equipment with intelligent operating system, as intelligent television, smart mobile phone, Intelligent flat computer etc., due at present, smart mobile phone, Intelligent flat computers etc. are generally by touch screen mode controlling equipment, and intelligent television is generally equipped with remote controller, user can by remote controller to intelligent television sending controling instruction, control command can be the instruction of switch application, in current application on intelligent television when full frame displaying or broadcasting, user also can pass through remote controller button, the instruction of switch application is sent to intelligent television, therefore, intelligent television does not have the smart machine of external control devices relative to other, switch application is relatively convenient, the present embodiment is just for intelligent television, embodiments of the present invention are described.As shown in Figure 3, the method for switch application of the present invention comprises step:
S100: receive the instruction switching to target sound Video Applications;
For intelligent television, as shown in Figure 4, this step comprises following two steps:
S101: intelligent television receives the remote controller key assignments that user sends;
S102: intelligent television obtains the target sound Video Applications corresponding with the remote controller key assignments received;
In step s 102, be implemented as: search configured remote controller key assignments and the mapping table of application identities, obtain the application identities corresponding with the remote controller key assignments received, application identities is here specifically as follows Apply Names.Mapping table is:
The mapping table of table 1 remote controller key assignments and Apply Names
| Remote controller key assignments | Apply Names |
| KeyEvent 1 | Application A |
| KeyEvent 2 | Application B |
| KeyEvent 3 | Application C |
After step S102, the remote controller key assignments received is converted to the Apply Names of target sound Video Applications by intelligent television, such as, play in the process of application A at intelligent television, have received the key value Key Event2 that remote controller sends, after receiving key assignments, look-up table 1, obtaining target sound Video Applications corresponding to key assignments keyEvent2 is application B, then enter step S200: according to instruction, start target sound Video Applications, namely apply the broadcast interface of B, and by the current audiovisual applications play, namely apply A and be set to background program, make application A at running background.
In step s 200, in actual mechanical process, while starting the broadcast interface of application B, application A is set to background program, makes it perform on backstage, for example, such as applying A is Sohu's video, and application B is happy video, when receiving remote controller key assignments KeyEvent2, start the broadcast interface of happy video, and Sohu's video is set to background program.
Here it should be noted that, after receiving switching command, first the broadcast interface of happy video is started, instead of play-over happy video, because Sohu's video and pleasure may share an audio/video decoder depending on these two audiovisual applications of video, when the happy broadcast interface depending on video is set to current broadcast interface, the Sohu's video being switched to running background might not release its decoder resources of occupying, so after execution of step S200, enter step S300: indicate the target sound Video Applications be activated to send the request of application audio and video resources to audio and video resources lock management module.
In the embodiment of the present invention, introduce audio and video resources lock management module, audiovisual applications is after getting required audio and video resources, and this resource can lock by this resource lock administration module, to indicate this resource just occupied.Audio and video resources mentioned here is specially audio/video decoder resource.For Android operation system, a decoder is only provided with in Android operation system, certainly, also generally decoder, such as an IOS are only set in other operating system, even if be provided with in the operating system of two decoders at some, also likely occur that two audiovisual applications share the situation of a decoder resources, so there is a decoder to smart machine in the embodiment of the present invention, or two decoders, or multiple decoder does not limit.
For avoiding applying A and application B produces resource contention problem when using audio and video resources, the embodiment of the present invention, after the broadcast interface starting target sound Video Applications B, is sent the request of application audio and video resources to audio and video resources lock management module by the target sound Video Applications B be activated.
S400: if the audio and video resources of corresponding target sound Video Applications is in released state in audio and video resources lock management module, then audio and video resources lock management module receives this request, the audio and video resources of unblock is distributed to target sound Video Applications, and the audio and video resources of having distributed that locks.
In the embodiment of the present invention, judge that the step that the audio and video resources of corresponding described target sound Video Applications in audio and video resources lock management module is in released state is specially: judge to provide interface corresponding to the audio/video decoder of audio and video resources whether to have code stream to export, if export without code stream, then this interface notification audio and video resources lock management module, and then judge that the audio and video resources of corresponding described target sound Video Applications is in released state.
Audio, video data is not had to export when providing interface corresponding to the audio/video decoder of audio and video resources, when namely exporting without code stream, then application A has released its decoder resources of occupying, now, the message informing that decoder exports without code stream by this interface is to audio and video resources lock management module, the state of audio and video resources is become unblock from locking by this audio and video resources lock management module, can judge that the audio and video resources of corresponding target sound Video Applications B in audio and video resources lock management module is in released state.Same reason, if this interface has code stream to export, although application A has been switched to backstage and has performed, but also do not discharge its decoder resources of occupying, the audio and video resources of application shared by A is still locking state, now can judge that the audio and video resources of corresponding target sound Video Applications in audio and video resources lock management module is in locking state.When judging that the audio and video resources of corresponding target sound Video Applications in audio and video resources lock management module is in released state, the request of the application audio and video resources that audio and video resources lock management module receiving target audiovisual applications sends, the audio and video resources of unblock is distributed to target sound Video Applications, and the audio and video resources of having distributed that locks.
As can be seen from the above-described embodiment, after intelligent television receives the switching command of target sound Video Applications, while the broadcast interface starting target sound Video Applications, the current audiovisual applications play is switched to running background, this compared with prior art, shorten the time of switch application to a certain extent, further, the embodiment of the present invention is after the broadcast interface starting target sound Video Applications, sent the request of application audio and video resources to audio and video resources lock management module by the target sound Video Applications be activated, and when the audio and video resources of target sound Video Applications corresponding in audio and video resources lock management module is in released state, just the audio and video resources of unblock is distributed to target sound Video Applications, avoid the resource conflict problem that the target sound Video Applications after the current audiovisual applications play and switching is brought because sharing same decoder resources, and, when after startup target sound Video Applications, target sound Video Applications sends the request of application audio and video resources to audio and video resources lock management module, and do not need directly inquiry to provide the interface of the decoder of audio and video resources, decrease the number of times of this interface of access, thus reduce the probability that exception occurs this interface, ensure that the normal operation of system to a certain extent.
To sum up, because the embodiment of the present invention is after receiving switching command, the broadcast interface of target sound Video Applications can be directly switch into, and without the need to first returning homepage before handover, therefore, in the process that application switches, homepage can be saved, the i.e. method of the switching audiovisual applications of the embodiment of the present invention, eliminate the current audiovisual applications-> homepage play, with the step of homepage-> target sound Video Applications, and, when in audio and video resources lock management module, the audio and video resources of corresponding target sound Video Applications is in released state, start to play target sound Video Applications, therefore, in the process that whole audiovisual applications switches, release uses to target sound Video Applications along with application switching to achieve audio and video resources, namely the normal play of target sound Video Applications is achieved, achieving switching without homepage of application, while simplifying switch step, it also avoid the resource conflict problem between application in handoff procedure.
In embodiments of the present invention, when considering that application A is withdrawn into backstage execution, its decoder resources of occupying might not be discharged immediately, therefore, when target sound Video Applications sends the request of application audio and video resources to audio and video resources administration module, corresponding audio and video resources has and locks and unlock two states, when the audio and video resources of correspondence is for locking, embodiments provide the audio and video resources of two schemes balance application A and application B.
The first scheme, as shown in Figure 5, concrete steps are:
S501: if the audio and video resources of corresponding target sound Video Applications is in locking state in audio and video resources lock management module, then this request is hung up, and request time interval is set;
Specifically when performing, request time can being set and being spaced apart 250ms, certainly, in order to play target sound Video Applications B as early as possible, request time interval can be arranged shorter, as 200ms.
S502: indicate the target sound Video Applications be activated to be spaced apart the cycle with request time, the request of application audio and video resources is sent to audio and video resources lock management module, until audio and video resources lock management module receives request, the audio and video resources of unblock is distributed to target sound Video Applications.
It should be noted that, during specific implementation, also the variable cycle can be set, if first time is that request time interval sends request with 250ms, second time is that request time interval sends request with 200ms, and third time is that request time interval sends request etc. with 150ms, like this, the state of audio and video resources can be obtained quickly, once the state of audio and video resources becomes unblock, target sound Video Applications can be play faster.
In above-described embodiment, after the broadcast interface switching to target sound Video Applications B, when the audiovisual applications A before switching does not discharge decoder resources, namely when the audio and video resources of application needed for B is also in locking state, RQ cycle constantly sends request from application audio and video resources to audio and video resources lock management module is set, until when audio and video resources is for unlocking, just play target sound Video Applications B, avoid the decoder resources conflict before and after switching, therefore, the present embodiment achieve audiovisual applications without homepage switch while, also at utmost ensure that the normal operation of system.
First scheme, as shown in Figure 6, the concrete steps of balance application A and application B are:
S601: if the audio and video resources of corresponding target sound Video Applications is in locking state in audio and video resources lock management module, then hang up request, and be set to by present system time ask initial value;
S602: the clocking value reading timer;
For intelligent television, intelligent television generally has clock, can using the clock of intelligent television as timer, the reading system time from this timer.Certainly, timer also can be the special timer arranged, and does not do concrete restriction here.Regardless of the timer of which kind of form, just can start after step S601, also can be that intelligent television just starts from start, also not do concrete restriction here.If it be the system time of busy is 15:30 that step S601 inquires about the state of decoder, then inquiring about initial value is 15:30, after this, in real time or periodically read the clocking value of intelligent television clock.
S603: when clocking value and the request duration threshold value of asking the difference of initial value to be greater than or equal to setting of timer, and when in audio and video resources lock management module, the audio and video resources of corresponding target sound Video Applications is in locking state, after instruction is set to the audiovisual applications unlocking noise video resource of background program, the target sound Video Applications be activated is indicated to send the request of application audio and video resources to audio and video resources administration module.
In this step, can set request duration threshold value is 5000ms, generally, request duration threshold value arranges the tolerance switching duration with reference to user, in order to ensure the experience of user's cut bank, when the clocking value of timer is greater than or equal to 5000ms with the difference of request initial value, and when in audio and video resources lock management module, the audio and video resources of corresponding target sound Video Applications is in locking state, that is from being switched to target sound Video Applications, after have passed through 5000ms, if the audio and video resources of corresponding target sound Video Applications is still in locking state in audio and video resources lock management module, at this moment after intelligent television will indicate the audiovisual applications unlocking noise video resource being set to background program, the target sound Video Applications be activated is indicated to send the request of application audio and video resources to audio and video resources administration module
In the present embodiment, after request duration threshold value, if the audio and video resources of corresponding target sound Video Applications is still in locking state in audio and video resources lock management module, then indicated the application A being set to background program to send stop order to decoder by television set, application A is made to discharge its decoder resources of occupying, interface corresponding to the decoder of audio and video resources is now provided to export without code stream, sent the message exported without code stream to audio and video resources lock management module by this interface, after audio and video resources administration module receives message, audio and video resources is become released state from locking state, afterwards, the embodiment of the present invention then indicates the target sound Video Applications B be activated to send the request of application audio and video resources to audio and video resources administration module, because the audio and video resources in now audio and video resources lock management module is in released state, after now audio and video resources lock management module receives the request of application B transmission, no longer request is hung up, but receive this request, and the audio and video resources after unlocking is distributed to application B, make application B normal play audio frequency and video.
Alternatively, in order to avoid affecting Consumer's Experience, simultaneously also in order to avoid system occurs abnormal, request duration threshold value here can also be set to decoder resources and be released required average time, and this average time can change along with the change of system busy extent.
Further, when this request duration threshold value be decoder resources be released required average time time, because be generally all less than the maximum switching duration that user bears this average time, so, now, the experience of user more can be ensured, and because after certain interval of time, just forcibly decoder resources is distributed to target sound Video Applications, so system also can be reduced to a certain extent, and abnormal probability occurs.So, avoid user after the broadcast interface starting target sound video, the problem that the target sound Video Applications caused because the audio frequency and video before decoder resources is switched take can not be play for a long time.
Based on identical inventive concept, the embodiment of the present invention additionally provides a kind of television set television set switching audiovisual applications, and as shown in Figure 7, this television set television set comprises: receiver module 701, for receiving the instruction switching to target sound Video Applications; Executive Module 702, for the instruction received according to receiver module 701, starts the broadcast interface of target sound Video Applications, and the current audiovisual applications play is set to background program; Request module 703, is used to indicate the target sound Video Applications be activated sends request from application audio and video resources to audio and video resources lock management module, and request results is sent to judge module 704; Judge module 704, for the request results sent according to the request module 703 received, judge whether the audio and video resources of corresponding target sound Video Applications in audio and video resources lock management module is in released state, and when audio and video resources is in released state, send message to control module 705; Control module 705, for the message sent according to judge module 704, instruction audio and video resources lock management module receives request, and the audio and video resources of unblock is distributed to target sound Video Applications, and the audio and video resources of having distributed that locks.
Alternatively, the remote controller key assignments that receiver module 701 sends specifically for receiving user, obtains the target sound Video Applications corresponding with the remote controller key assignments received.
Here it should be noted that, after receiver module 701 receives switching command, first the broadcast interface of target sound video is started, instead of play-over target sound video, because these two audiovisual applications before and after switching share a decoder, when the broadcast interface of target sound video is set to current broadcast interface, the audiovisual applications being switched to running background might not release its decoder resources of occupying, therefore, the step being performed the request sending application audio and video resources to audio and video resources lock management module by request module 703 is needed.
For avoiding applying A and application B produces resource contention problem when using audio and video resources, alternatively, if judge module 704 is also for the state according to the audio and video resources of corresponding target sound Video Applications in the audio and video resources lock management module of request module 703 transmission received, judge that audio and video resources is locking state, then send message to arranging request time interval module; Television set in the present embodiment also comprises: arrange request time interval module, for the message sent according to the judge module 704 received, arranges request time interval; The described target sound Video Applications be activated described in request module 703 is also used to indicate is spaced apart the cycle with request time, sends the request of application audio and video resources, and request is sent to judge module 704 to audio and video resources lock management module.
Alternatively, if the request results of judge module 704 also for sending according to the request module 703 received, judge that the audio and video resources of corresponding target sound Video Applications in audio and video resources lock management module is in locking state, then send message to arranging request initial value module; Television set in the present embodiment also comprises: request initial value arranges module, for receive judge module 704 message after, present system time is set to ask initial value, and request initial value is sent to comparison module; Read module, for reading the clocking value of timer, and sends to comparison module by the clocking value read; Comparison module, for comparing the difference of clocking value and the request initial value read, and when difference is greater than or equal to the request duration threshold value of setting, and when the audio and video resources of corresponding target sound Video Applications is in locking state in audio and video resources lock management module, send message to control module 705; The message of control module 705 also for sending according to comparison module, after instruction is set to the audiovisual applications unlocking noise video resource of background program, the target sound Video Applications be activated is indicated to send the request of application audio and video resources to audio and video resources administration module.
Alternatively, judge module 704 specifically for: when described audio and video resources lock management module receive provide the audio/video decoder of described audio and video resources corresponding interface send without code stream output notice time, judge that the audio and video resources of corresponding described target sound Video Applications is in released state.
Above-mentioned television devices is after receiving the instruction switching to target sound Video Applications, just perform the operation of the broadcast interface starting target sound Video Applications, the key achieving target sound Video Applications switches, compared in prior art, first the current audiovisual applications play is exited, back to homepage, the operation of target sound Video Applications is started again on homepage, need not before switching to target sound Video Applications, perform the operation returning homepage, and without the need to the homepage after returning performing the operation starting target sound Video Applications, but directly pass through switching command, target sound Video Applications is switched to from current audiovisual applications, because this simplify the step that application switches.And, because while the broadcast interface starting target sound Video Applications, the audiovisual applications play is set to background program, now, the audiovisual applications being set to background program does not still likely discharge its decoder resources of occupying, that is, its decoder resources of occupying still is in locking state, so, in the present invention, in order to avoid the decoder resources between two methods produces conflict, when judging that the audio and video resources of corresponding described target sound Video Applications in audio and video resources lock management module is in released state, just target sound Video Applications decoded and play, and then, even if when television devices only has a decoder, also the resource contention of current audiovisual applications and target sound Video Applications can not be caused.
To sum up, compared to prior art, the present invention can start the broadcast interface of target sound Video Applications rapidly, shorten the time interval of switch application, and, due to target sound Video Applications can be switched to by a switching command, do not need first the current audiovisual applications play to be exited, system restarts target sound Video Applications after back to homepage, so the user interface of smart machine can not need to design homepage, namely do not need homepage as the entrance starting application, make the interface of smart machine more succinct, realize user interface without homepage designing.And, because when a certain audiovisual applications takies audio and video resources, this audio and video resources is locked, like this, when target sound Video Applications request audio and video resources after switching, do not need repeatedly to inquire about interface corresponding to audio and video resources, but send directly to audio and video resources lock management module and ask, decrease the number of times of interface corresponding to access audio and video resources, reduce this interface and abnormal probability occurs.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. switch a method for audiovisual applications, it is characterized in that, described method comprises:
Receive the instruction switching to target sound Video Applications;
According to described instruction, start the broadcast interface of described target sound Video Applications, and the current audiovisual applications play is set to background program;
The described target sound Video Applications be activated is indicated to send the request of application audio and video resources to audio and video resources lock management module;
If the audio and video resources of corresponding described target sound Video Applications is in released state in described audio and video resources lock management module, then described audio and video resources lock management module receives described request, the audio and video resources unlocked is distributed to described target sound Video Applications, and the audio and video resources of having distributed that locks.
2. the method for claim 1, is characterized in that, described in the described target sound Video Applications that is activated also comprise after audio and video resources lock management module sends the request of application audio and video resources:
If the audio and video resources of corresponding described target sound Video Applications is in locking state in described audio and video resources lock management module, then described request is hung up, and request time interval is set;
The described target sound Video Applications be activated described in instruction with the described request time interval for the cycle, the request of application audio and video resources is sent to audio and video resources lock management module, until described audio and video resources lock management module receives described request, the audio and video resources of unblock is distributed to described target sound Video Applications.
3. the method for claim 1, is characterized in that, described in the described target sound Video Applications that is activated to after audio and video resources lock management module sends the request of application audio and video resources, also comprise:
If the audio and video resources of corresponding described target sound Video Applications is in locking state in described audio and video resources lock management module, then described request is hung up, and present system time is set to ask initial value;
Read the clocking value of timer;
When the clocking value of described timer and the difference of described request initial value are greater than or equal to the request duration threshold value of setting, and when in described audio and video resources lock management module, the audio and video resources of corresponding described target sound Video Applications is in locking state, after instruction is set to the audiovisual applications unlocking noise video resource of background program, the described target sound Video Applications be activated is indicated to send the request of application audio and video resources to audio and video resources administration module.
4. the method as described in as arbitrary in claim 1 or 2 or 3, is characterized in that, if the audio and video resources of corresponding described target sound Video Applications is in released state and is specially in described audio and video resources lock management module:
If provide interface corresponding to the audio/video decoder of described audio and video resources to export without code stream, then by audio and video resources lock management module described in described interface notification, judge that the audio and video resources of corresponding described target sound Video Applications is in released state.
5. the method as described in claim 1 or 2 or 3, is characterized in that, described in receive the instruction switching to target sound Video Applications and be specially:
Receive the remote controller key assignments that user sends;
Obtain the target sound Video Applications corresponding with the remote controller key assignments received.
6. switch a television set for audiovisual applications, it is characterized in that, described television set comprises:
Receiver module, for receiving the instruction switching to target sound Video Applications;
Executive Module, for the instruction received according to described receiver module, starts the broadcast interface of described target sound Video Applications, and the current audiovisual applications play is set to background program;
Request module, is used to indicate the described target sound Video Applications be activated sends request from application audio and video resources to audio and video resources lock management module, and request results is sent to judge module;
Judge module, for the described request result sent according to the described request module received, judge whether the audio and video resources of corresponding described target sound Video Applications in described audio and video resources lock management module is in released state, and when described audio and video resources is in released state, send message to control module;
Control module, for the message sent according to judge module, indicates described audio and video resources lock management module to receive described request, the audio and video resources of unblock is distributed to described target sound Video Applications, and the audio and video resources of having distributed that locks.
7. television set as claimed in claim 6, is characterized in that,
If described judge module is also for the state according to the audio and video resources of corresponding described target sound Video Applications in the described audio and video resources lock management module of the described request module transmission received, judge that described audio and video resources is locking state, then send message to arranging request time interval module;
Described television set also comprises:
Request time interval module is set, for the message sent according to the described judge module received, request time interval is set;
Described request module also for, the described target sound Video Applications be activated described in instruction with the described request time interval for the cycle, send the request of application audio and video resources to audio and video resources lock management module, and request sent to described judge module.
8. television set as claimed in claim 6, is characterized in that,
If the request results of described judge module also for sending according to the described request module received, judge that the audio and video resources of corresponding described target sound Video Applications in described audio and video resources lock management module is in locking state, then send message to arranging request initial value module;
Described television set also comprises:
Request initial value arranges module, for receive described judge module message after, present system time is set to ask initial value, and described request initial value is sent to comparison module;
Read module, for reading the clocking value of timer, and sends to comparison module by the clocking value read;
Comparison module, for the difference of the clocking value that reads described in relatively and described request initial value, and when described difference is greater than or equal to the request duration threshold value of setting, and when the audio and video resources of corresponding described target sound Video Applications is in locking state in described audio and video resources lock management module, send message to control module;
The message of described control module also for sending according to described comparison module, after instruction is set to the audiovisual applications unlocking noise video resource of background program, the described target sound Video Applications be activated is indicated to send the request of application audio and video resources to audio and video resources administration module.
9. the television set as described in as arbitrary in claim 6 or 7 or 8, is characterized in that,
Described judge module also for: when described audio and video resources lock management module receive provide the audio/video decoder of described audio and video resources corresponding interface send without code stream output notice time, judge that the audio and video resources of corresponding described target sound Video Applications is in released state.
10. the television set as described in as arbitrary in claim 6 or 7 or 8 is characterized in that,
The remote controller key assignments that described receiver module sends specifically for receiving user, and obtain the target sound Video Applications corresponding with the remote controller key assignments received.
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