CN103686369A - Android platform based television signal source switching method and device - Google Patents
Android platform based television signal source switching method and device Download PDFInfo
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Abstract
The invention discloses an Android platform based television signal source switching method and device. The Android platform based television signal source switching method comprises the steps of: correspondingly recording signal input states of multiple signal source input ports by setting multiple state record addresses in an internal memory, and correspondingly changing the states of the state record addresses when the signal input states of the signal source input ports are changed; checking the multiple state record addresses in the internal memory, and sending a message about the change of one state record address to an APP layer when the state of the state record address is changed; switching the television signal source into the corresponding signal source through a signal output interface in a kernel layer of an operating system based on a signal source corresponding to the changed state record address; enabling a television to be switched to the corresponding signal source rapidly when a signal source is accessed. Therefore, great convenience is brought to users.
Description
Technical field
The present invention relates to TV domain, in particular a kind of television information source switching method and apparatus based on Android platform.
Background technology
Existing video screen is a display, need to have the effect of signal input sources access competence exertion TV.Conventional signal source has AV, YPBPR, HDMI and PC (VGA) etc. at present.Described AV signal source refers to Audio(audio frequency) and video(video) abbreviation, be the video of AV interface input.Described YPBPR signal source refers to the signal of YPbPr interface (being color difference components interface) input.Described HDMI signal source is the abbreviation of High Definition Multimedia Interface HDMI (High Definition Multimedia Interface), HDMI is a kind of digitized video/audio interface technology, be the tailored version digital interface that is applicable to image transmission, it can transmit audio frequency and video-audio signal simultaneously.Described PC refers to PC, is about to this video screen as the display use of PC, and that now connect is VGA(Video Graphics Array, a kind of video transmission standard) signal source.In prior art, the signal source of these different video transmission standards has each self-corresponding interface, certainly also has the signal source of other form, sets forth no longer one by one herein.
When user access is when wherein a kind of signal source is watched, generally after access information source, all need the manual suitable signal source of selection video screen, just can watch program.But most of users do not understand signal source, thus will be very ignorant when selecting, to user, brought inconvenience greatly.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The technical problem to be solved in the present invention is, a kind of television information source switching method and apparatus based on Android platform is provided, and is intended to solve existing television information source switching mode and bothers the problem of making troubles to user.
The technical scheme that technical solution problem of the present invention adopts is as follows:
A television information source changing method based on Android platform, wherein, comprises the following steps:
A, the signal input state that a plurality of information source input port of corresponding record are carried out in a plurality of state recordings address is set in internal memory, when the signal input state of information source input port changes, the corresponding state that changes state recording address;
B, check a plurality of state recordings address in described internal memory, when the state of existence recording address changes, the message of described state recording address modification is sent to APP layer;
C, the information source corresponding according to the state recording address of described change, switch to corresponding information source by the signal output interface in operating system nucleus layer by television information source.
The described television information source changing method based on Android platform, wherein, described steps A specifically comprises:
A1, the state recording address of definition signal source state in RAM, the state recording address of the source input state that each is comprised to information source input port is shone upon associated with each information source input port one by one;
A2, when the source input state of information source input port being detected and change, corresponding state recording address corresponding to described information source input port that change.
The described television information source changing method based on Android platform, wherein, described step B specifically comprises:
B1, every a scheduled time, travel through each state recording address;
B2, each state recording address before current each state recording address and the scheduled time is contrasted, when state recording address changes, the message of described state recording address modification is sent to APP layer by the JAVA layer in Framework framework.
The described television information source changing method based on Android platform, wherein, described step C specifically comprises:
C1, the information source of calling in the JAVA layer of Framework framework arrange interface;
The information source of C2, described JAVA layer arranges the information source that interface calls the C layer of Framework framework by JNI interface is set;
C3, again by the signal output interface in Kernel layer, information source output is arranged to the information source corresponding to state recording address of described change.
The described television information source changing method based on Android platform, wherein, the described scheduled time is 1 second.
A television information source switching device shifter based on Android platform, wherein, comprising:
Address relating module, carrys out the signal input state of a plurality of information source input port of corresponding record for a plurality of state recordings address is set at internal memory, when the signal input state of information source input port changes, and the corresponding state that changes state recording address;
Status checkout module, for checking a plurality of state recordings of described internal memory address, when the state of existence recording address changes, is sent to APP layer by the message of described state recording address modification;
Handover module, the information source for corresponding according to the state recording address of described change, switches to corresponding information source by the signal output interface in operating system nucleus layer by television information source.
The described television information source switching device shifter based on Android platform, wherein, described address relating module comprises:
Address mapping unit, the state recording address for definition signal source state at RAM, the state recording address of the source input state that each is comprised to information source input port is shone upon associated with each information source input port one by one;
Address modification unit, for when the source input state change of information source input port being detected, corresponding state recording address corresponding to described information source input port that change.
The described television information source switching device shifter based on Android platform, wherein, described status checkout module comprises:
Traversal unit, for traveling through each state recording address every a scheduled time;
Epidemic situation comparison unit, for each state recording address before current each state recording address and the scheduled time is contrasted, when state recording address changes, the message of described state recording address modification is sent to APP layer by the JAVA layer in Framework framework.
The described television information source switching device shifter based on Android platform, wherein, described handover module comprises:
The first call unit, arranges interface for calling the information source of the JAVA layer of Framework framework;
The second call unit, arranges for the information source by described JAVA layer the information source that interface calls the C layer of Framework framework by JNI interface is set;
The 3rd call unit, by the signal output interface of Kernel layer, is arranged to information source output the information source corresponding to state recording address of described change for again.
The described television information source switching device shifter based on Android platform, wherein, in described traversal unit, the scheduled time is 1 second.
A kind of television information source switching method and apparatus based on Android platform provided by the present invention, thereby effectively solved the problem that existing TV is made troubles to user in the access suitable signal source that needs manual selection after information source, described television information source changing method carrys out the signal input state of a plurality of information source input port of corresponding record by a plurality of state recordings address is set in internal memory, when the signal input state of information source input port changes, the corresponding state that changes state recording address; Check a plurality of state recordings address in described internal memory, when the state of existence recording address changes, the message of described state recording address modification is sent to APP layer; The information source corresponding according to the state recording address of described change, switches to corresponding information source by the signal output interface in operating system nucleus layer by television information source; Make TV can be switched to easily and fast corresponding information source when access signal source, it is convenient greatly to user, to have brought.
Accompanying drawing explanation
Fig. 1 is the flow chart of the television information source changing method preferred embodiment based on Android platform provided by the invention.
Fig. 2 is the structured flowchart of the television information source switching device shifter preferred embodiment based on Android platform provided by the invention.
Embodiment
The invention provides a kind of television information source switching method and apparatus based on Android platform, for making object of the present invention, technical scheme and advantage clearer, clear and definite, referring to accompanying drawing, developing simultaneously, the present invention is described in more detail for embodiment.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Refer to Fig. 1, Fig. 1 is the flow chart of the television information source changing method preferred embodiment based on Android platform provided by the invention, and as shown in the figure, described television information source changing method comprises the following steps:
Step S100, the signal input state that a plurality of information source input port of corresponding record are carried out in a plurality of state recordings address is set in internal memory, when the signal input state of information source input port changes, the corresponding state that changes state recording address;
Step S200, check a plurality of state recordings address in described internal memory, when the state of existence recording address changes, the message of described state recording address modification is sent to APP layer;
Step S300, the information source corresponding according to the state recording address of described change, switch to corresponding information source by the signal output interface in operating system nucleus layer by television information source.
Below in conjunction with specific embodiment, above-mentioned steps is described in detail.
In step S100, the signal input state that a plurality of information source input port of corresponding record are carried out in a plurality of state recordings address is set in internal memory, when the signal input state of information source input port changes, the corresponding state that changes state recording address.Specifically, in the memory of TV, such as RAM(random access memory) in random asccess memory, the signal input state of corresponding record signal source input port is carried out in definition record address, described signal input state is for having signal input and there is no two kinds of signal inputs, namely whether corresponding signal input port has the corresponding signal of access, such as VGA port has the access of VGA line, or there is no the access of VGA line.When practical application, the state recording address of definition signal source state in RAM, the state recording address of the source input state that each is comprised to information source input port is shone upon associated with each information source input port one by one.For example, VGA signal condition recording address 0x0010000, HDMI signal condition recording address 0x0010004, YPBPR signal condition recording address 0x0010008 etc. wherein can not accessed to information source with 0 representative, 1 representative access information source.Like this, just a state recording address and an information source input port can be shone upon and associated one by one, and this state recording address can record the state of corresponding information source input port, have corresponding information source access and there is no two kinds of situations of information source access.
Then, when the source input state change of information source input port being detected, corresponding state recording address corresponding to described information source input port that change.Specifically, when having information source input TV, hardware driving just can identify corresponding port information source access.Then by described state recording address modification.For example, the state information that defines the state recording address in RAM during initialization is 0, if certain port has information source access, the state information of state recording address corresponding to this port changed into 1.Like this, thereby realized, the recording address of each information source state in RAM is mapped in the register address of each information source port, by changing the state content of the state recording address in corresponding RAM, just can writes and read the state of hardware.
In step S200, check a plurality of state recordings address in described internal memory, when the state of existence recording address changes, the message of described state recording address modification is sent to APP layer.Specifically, first every a scheduled time, travel through each state recording address; Then each state recording address before current each state recording address and the scheduled time is contrasted, when state recording address changes, the message of described state recording address modification is sent to APP layer by the JAVA layer in Framework framework.Preferably, the described scheduled time is 1 second.
When practical application, in the C of Framework framework layer, set up a status poll module, the signal source of the main poll of this module has VGA, HDMI, AV, YPBPR, ATV, DTV etc.; The mode of poll is the state recording address of reading each signal source correspondence in RAM, and wherein 0 representative does not access information source, 1 representative access information source; Poll module traveled through the state of each information source every 1 second, the state reading if current and before 1 second the state of record do not meet (for example access--when > extracts, state can correspondence by 1-->0; Not access--during > access, state can be corresponding to 1-->0 or 0-->1), the JAVA layer to Framework framework by the information reporting of the state recording address that comprises change, in the Framework framework in JAVA layer, set up the message that a message sink and the corresponding accepting state recording address of distribution administration module change, and define one and call for the status poll module in the Framework ccf layer of C layer, the effect of described interface is to report the message of information source state variation to APP layer.When status poll module detects after information source variation, will call described interface, by described interface, the message of state recording address modification is sent to APP layer.Described APP layer is user UI, for carrying out man-machine interaction with user.
In step S300, the information source corresponding according to the state recording address of described change, switches to corresponding information source by the signal output interface in operating system nucleus layer by television information source.Specifically, after receiving the message of state recording address modification, can draw the information source of corresponding access according to the state recording address of described change, the information source of then calling in the JAVA layer of Framework framework arranges interface; The information source of described JAVA layer arranges interface by JNI(Java Native Interface, and JAVA calls this locality) information source of calling the C layer of Framework framework arranges interface; By the signal output interface in Kernel layer (operating system nucleus layer), information source output is arranged to the information source corresponding to state recording address of described change, thereby has realized the switching of television information source again.
When practical application, in APP layer, define an information source and change receiver module (being SourceChangeHandler function), first SourceChangeHandler function can be registered to oneself the message sink in Framework framework and distribute in administration module and go, when information source changes, SourceChangeHandler will receive corresponding information like this.
Preferably, can also the operation after signal source is changed be set at APP interface, such as redirect automatically, manually redirect and do not respond etc.; When SourceChangeHandler receives after signal source variation, if be arranged to automatic redirect according to user's selection, the information source of calling in the Java layer of Framework framework arranges interface, this information source arranges the information source that interface also can call in the C layer of Framework framework by JNI interface is set, and then by the information source output interface in Kernel layer, information source output is arranged to information source corresponding to state recording address changing.If user has selected manual redirect, after receiving information source access signal, first at the top layer interface of TV display interface, eject dialog box, whether prompting user is switched to corresponding information source, if user clicks definite, by the step of automatic redirect, carry out television information source switching.If user selects not respond, do not switch information source.
Illustrate as follows: when user is when using display to watch HDMI signal, if now insert VGA signal, be that described display is detecting new information source access, by television information source changing method provided by the invention, user does not need manually to select the information source output of display, display just can automatically switch to this new information source, and TV demonstration, thereby has brought convenience to user.
Television information source changing method based on Android platform provided by the invention, take full advantage of Android platform Framework framework and change receiver module in the self-defined information source of APP layer, facilitate user can be switched to easily and fast corresponding information source when access information source; Facilitated the selection of user to unlike signal source, particularly facilitated the uncomprehending public users of information source.
Based on the above-mentioned television information source changing method based on Android platform, the present invention also provides a kind of television information source switching device shifter based on Android platform, and as shown in Figure 2, described television information source switching device shifter comprises:
Further, described address relating module 10 comprises:
Address mapping unit, the state recording address for definition signal source state at RAM, the state recording address of the source input state that each is comprised to information source input port is shone upon associated with each information source input port one by one;
Address modification unit, for when the source input state change of information source input port being detected, corresponding state recording address corresponding to described information source input port that change.
Further, described status checkout module 20 comprises:
Traversal unit, for traveling through each state recording address every a scheduled time;
Epidemic situation comparison unit, for each state recording address before current each state recording address and the scheduled time is contrasted, when state recording address changes, the message of described state recording address modification is sent to APP layer by the JAVA layer in Framework framework.
Further, described handover module 30 comprises:
The first call unit, arranges interface for calling the information source of the JAVA layer of Framework framework;
The second call unit, arranges for the information source by described JAVA layer the information source that interface calls the C layer of Framework framework by JNI interface is set;
The 3rd call unit, by the signal output interface of Kernel layer, is arranged to information source output the information source corresponding to state recording address of described change for again.
Further, in described traversal unit, the scheduled time is 1 second.
In sum, a kind of television information source switching method and apparatus based on Android platform provided by the invention, by being set in internal memory, a plurality of state recordings address carrys out the signal input state of a plurality of information source input port of corresponding record, when the signal input state of information source input port changes, the corresponding state that changes state recording address; Check a plurality of state recordings address in described internal memory, when the state of existence recording address changes, the message of described state recording address modification is sent to APP layer; The information source corresponding according to the state recording address of described change, switches to corresponding information source by the signal output interface in operating system nucleus layer by television information source; Realized and when access information source, be switched to easily and fast corresponding information source; Facilitated the selection of user to unlike signal source, particularly facilitated the uncomprehending public users of information source.
Should be understood that, application of the present invention is not limited to above-mentioned giving an example, and for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection range of claims of the present invention.
Claims (10)
1. the television information source changing method based on Android platform, is characterized in that, comprises the following steps:
A, the signal input state that a plurality of information source input port of corresponding record are carried out in a plurality of state recordings address is set in internal memory, when the signal input state of information source input port changes, the corresponding state that changes state recording address;
B, check a plurality of state recordings address in described internal memory, when the state of existence recording address changes, the message of described state recording address modification is sent to APP layer;
C, the information source corresponding according to the state recording address of described change, switch to corresponding information source by the signal output interface in operating system nucleus layer by television information source.
2. the television information source changing method based on Android platform according to claim 1, is characterized in that, described steps A specifically comprises:
A1, the state recording address of definition signal source state in RAM, the state recording address of the source input state that each is comprised to information source input port is shone upon associated with each information source input port one by one;
A2, when the source input state of information source input port being detected and change, corresponding state recording address corresponding to described information source input port that change.
3. the television information source changing method based on Android platform according to claim 1, is characterized in that, described step B specifically comprises:
B1, every a scheduled time, travel through each state recording address;
B2, each state recording address before current each state recording address and the scheduled time is contrasted, when state recording address changes, the message of described state recording address modification is sent to APP layer by the JAVA layer in Framework framework.
4. the television information source changing method based on Android platform according to claim 1, is characterized in that, described step C specifically comprises:
C1, the information source of calling in the JAVA layer of Framework framework arrange interface;
The information source of C2, described JAVA layer arranges the information source that interface calls the C layer of Framework framework by JNI interface is set;
C3, again by the signal output interface in Kernel layer, information source output is arranged to the information source corresponding to state recording address of described change.
5. the television information source changing method based on Android platform according to claim 3, is characterized in that, the described scheduled time is 1 second.
6. the television information source switching device shifter based on Android platform, is characterized in that, comprising:
Address relating module, carrys out the signal input state of a plurality of information source input port of corresponding record for a plurality of state recordings address is set at internal memory, when the signal input state of information source input port changes, and the corresponding state that changes state recording address;
Status checkout module, for checking a plurality of state recordings of described internal memory address, when the state of existence recording address changes, is sent to APP layer by the message of described state recording address modification;
Handover module, the information source for corresponding according to the state recording address of described change, switches to corresponding information source by the signal output interface in operating system nucleus layer by television information source.
7. the television information source switching device shifter based on Android platform according to claim 6, is characterized in that, described address relating module comprises:
Address mapping unit, the state recording address for definition signal source state at RAM, the state recording address of the source input state that each is comprised to information source input port is shone upon associated with each information source input port one by one;
Address modification unit, for when the source input state change of information source input port being detected, corresponding state recording address corresponding to described information source input port that change.
8. the television information source switching device shifter based on Android platform according to claim 6, is characterized in that, described status checkout module comprises:
Traversal unit, for traveling through each state recording address every a scheduled time;
Epidemic situation comparison unit, for each state recording address before current each state recording address and the scheduled time is contrasted, when state recording address changes, the message of described state recording address modification is sent to APP layer by the JAVA layer in Framework framework.
9. the television information source switching device shifter based on Android platform according to claim 6, is characterized in that, described handover module comprises:
The first call unit, arranges interface for calling the information source of the JAVA layer of Framework framework;
The second call unit, arranges for the information source by described JAVA layer the information source that interface calls the C layer of Framework framework by JNI interface is set;
The 3rd call unit, by the signal output interface of Kernel layer, is arranged to information source output the information source corresponding to state recording address of described change for again.
10. the television information source switching device shifter based on Android platform according to claim 8, is characterized in that, in described traversal unit, the scheduled time is 1 second.
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| CN107333180A (en) * | 2017-06-28 | 2017-11-07 | 深圳Tcl新技术有限公司 | Information source switching method, television set and the computer-readable recording medium of television set |
| CN107333180B (en) * | 2017-06-28 | 2020-07-21 | 深圳Tcl新技术有限公司 | Information source switching method of television, television and computer readable storage medium |
| CN107231576A (en) * | 2017-07-13 | 2017-10-03 | 深圳Tcl数字技术有限公司 | Intelligent television control method and system, storage medium |
| CN107231576B (en) * | 2017-07-13 | 2021-03-12 | 深圳Tcl数字技术有限公司 | Smart television control method and system and storage medium |
| CN108600838A (en) * | 2018-04-26 | 2018-09-28 | 深圳Tcl新技术有限公司 | Information source switching method, device, Android TVs and the readable storage medium storing program for executing of Android TVs |
| CN108600838B (en) * | 2018-04-26 | 2021-08-03 | 深圳Tcl新技术有限公司 | Information source switching method and device for Android television, Android television and readable storage medium |
| CN108924652A (en) * | 2018-07-02 | 2018-11-30 | 四川长虹电器股份有限公司 | A kind of method of TV signal variation detection |
| CN110769308A (en) * | 2019-12-25 | 2020-02-07 | 深圳创维－Rgb电子有限公司 | Signal channel switching method, display terminal and storage medium |
| US11556489B2 (en) | 2019-12-25 | 2023-01-17 | Shenzhen Skyworth-Rgb Electronic Co., Ltd. | Signal channel switching method, display terminal and computer-readable storage medium |
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