CN1829279A - Method for managing display device signal source - Google Patents
Method for managing display device signal source Download PDFInfo
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- CN1829279A CN1829279A CNA2005100513198A CN200510051319A CN1829279A CN 1829279 A CN1829279 A CN 1829279A CN A2005100513198 A CNA2005100513198 A CN A2005100513198A CN 200510051319 A CN200510051319 A CN 200510051319A CN 1829279 A CN1829279 A CN 1829279A
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Abstract
The present invention discloses a display equipment signal source management method. It contains display equipment determining said interface corresponded signal source state through simultaneously detecting own signal source interface, and according to determined signal source state processing signal source. The present invention greatly saves display equipment searching signal source time through simultaneously detecting validity to display equipment signal source, display equipment according to detected effective signal source displaying. Furthermore said invention raises signal source managing controllability through configuring signal source priority. Said invention realizes further management to signal source through configuring sight mode and unallowable signal source.
Description
Technical field
The present invention relates to the display device technical field, be meant a kind of method for managing display device signal source especially.
Background technology
Display device is used to show various information, is widely used in aspects such as office, teaching, amusement, commercial exhibition.Existing display device comprises types such as cathode ray tube (CRT) display, LCD (LCD), light-emitting diode (LED) display, plasma scope (PDP), projector.
Can carry out the video signal displayed kind for display device at present increases day by day, therefore a part of display device especially large-screen display equipment such as projector all have more than one signal source interface usually, can receive different types of vision signal from multiple signal source equipment and show.With the projector is example, has the signal source interface of following kind usually: Video Graphics Array (VGA) interface, Digital Visual Interface (DVI) interface, S-terminal (S-Video) interface, composite video (Composite) interface, component vide (Component) interface etc.Can be by these interfaces from multiple different signal source equipment, for example: the different types of vision signals of reception such as computer, DVD player, video tape recorder show, vision signal can comprise VGA signal, DVI signal, S-Video signal, composite video signal, component video signal etc., the signal source interface that wherein has can receive the vision signal of more than one types again, and for example the VGA interface both can receive the VGA signal and also can receive component video signal.
Its system of display device of above-mentioned signal source interface forms as shown in Figure 1 for having of a standard, and whole display device is by electronic system 101, and power supply 102 and optical system 103 are formed.Wherein, power supply 102 is responsible for to each parts power supply; Various types of signal sources are linked into video processing module 105 by the signal source access interface 104 in the electronic system 101, and 105 pairs of signal sources of video processing module are handled the back and produced modulation intelligence control optical system 103 generation images.Whole system is controlled and is coordinated the work of each parts by kernel control module 106.
After display device starts, or after the signal source that is showing stopped to show, display device just may be in no show state, in this state, needs the search signal source to show for display device.In the prior art, the method in search signal source is in the display device, and kernel control module is by predefined order, by the state in video frequency processing chip request signal source, after inquiring effective signal source, obtain signal by this effective signal source and show.For example, comprise two video frequency processing chips of analog to digital converter (ADC) and Video Decoder (Video Decoder) in the display device, wherein the signal source that links to each other with ADC comprises VGA1, VGA2 and DVI, and the signal source that links to each other with Video Decoder comprises S-Video, Composite and Component; Then when display device search signal source, elder generation inquires about VGA1, VGA2 successively by ADC and whether DVI is the useful signal source, if three signal sources of VGA1, VGA2 and DVI are not the useful signal sources, inquire about S-Video, Composite successively by Video Decoder again and whether Component is the useful signal source, in this process, no matter which video frequency processing chip to have inquired effective signal source by, display device just stops search, obtain signal by this effective signal source, and show.
Above-mentioned searching method has following shortcoming:
1) because in this searching method, by kernel control module control of video decoding chip signal source is inquired about one by one, all be the carrying out of serial to the status poll of each signal source input terminal, need expend the long time, cause the unnecessary wait of user, wasted user's time.
2) in addition, if in above-mentioned searching method, the signal source that display device searches is not that the user wishes the signal source that shows, for example, there are two signal source VGA2 and S-Video simultaneously effectively in the display device, that the user wishes to show is S-Video, and then the user has only the mode of searching for again by manual setting to realize the search again of signal source, can search S-Video.
In addition, along with enriching of display device additional function, many display devices are by increasing the signal source that new add-on module receives some non-traditional meanings, as shown in Figure 1, receive radio signal source for increasing wireless module 109, among Fig. 1 109 also can substitute with other forms of add-on module, as card reader, just can read the SD card by card reader, picture on the flash cards such as CF card is as signal source, these are again by traditional video interface then, be linked into display device as VGA, make display device can receive more signal source, in fact increased the signal source quantity of display device by traditional video interface.
The adding of non-traditional meaning signal source such as above-mentioned radio signal source, make that the signal source management of display device is difficult more, because the video output interface of common add-on module, the i.e. interface that links to each other with the video input interface of display device, its output validity does not rely on accessory module outside source validity.With the additional wireless modules is example, and as shown in fig. 1, wireless module is used for receiving the wireless display with process user, and user's wireless video signal is changed into the VGA signal of standard, and outputs to display device by VGA1.Though the video output interface VGA1 that wireless module is connected with display device has vision signal output all the time, if but current not wireless video starts, then this vision signal only is the video standard signal of wireless module self, the VGA of wireless module output is that signal, i.e. continuously effective are arranged always in this case.If radio signal source also as a classical signal source, by video decoding chip the radio signal source state is inquired about, then inquire at every turn and promptly think after the radio signal source and found signal and it is shown, like this will be owing to not having the demonstration that makes the mistake of real wireless video signal.
At present for the processing method of these non-traditional meaning signal sources, normally the user is if use the signal source of add-on module then to need manual selection, and this method has been because for the user has increased operation easier, thereby limited the use of non-traditional meaning signal source.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of method for managing display device signal source, this method can be saved the time in display device search signal source.
For achieving the above object, the invention provides a kind of method for managing display device signal source, this method comprises:
A, display device detect simultaneously by the signal source interface to self, determine the state of the pairing signal source of described interface;
The signal source state that B, basis are determined is handled signal source.
Described step B can for: from state is signal source of effective signal source selecting, and shows this signal source.
Preferably, preestablish the priority of signal source;
Among the step B, described is that signal source of effective signal source selecting comprises from state:
B11, determine that signal source effectively after, write down detected useful signal source;
B12, from the useful signal source of record, select the highest signal source of priority.
Preferably, the search signal source tabulation that in display device, is provided for storing the available signal source tabulation of effective signal source in advance and is used for display device search signal source;
Then described step B comprises:
B21, determine that signal source effectively after, this signal source is increased in the tabulation of available signal source;
B22, in search signal source tabulation, increase this signal source.
Further, comprise behind the described step B22: display device is searched for search signal source tab sequential, and shows the signal source that searches at first.
As can be seen from the above technical solutions, among the present invention, detect owing to simultaneously the signal source of display device is carried out validity, display device shows according to detected useful signal source, has saved the time of display device to signal source searching greatly; In addition, the present invention, selects signal source according to the order of priority by the priority in setting signal source detecting a plurality of signal sources when effective, has improved the controllability of signal source management; And then the present invention has realized the further management to signal source by setting the signal source of contextual model and forbidding, has further improved the controllability of signal source management; Among the present invention, also by tabulation of available signal source and the tabulation of search signal source are set, the tabulation of search signal source generates the tabulation of search signal source by the tabulation of available signal source according to priority or predefined other rules, has further reduced the time of search, also provides convenience for the user; Among the present invention, by writing down the last signal source that shows, and after the user has started direct handoff functionality, directly the signal source that shows with the last time generates the tabulation of search signal source as only element, display device shows the signal source of element wherein according to the tabulation of this search signal source then, realized direct handoff functionality, further provided convenience for the user.
Description of drawings
Fig. 1 is the display device system composition diagram;
Fig. 2 is an overview flow chart of the present invention;
Among Fig. 3 the present invention in display device the display device system figure behind the validity detection module of signalization source;
Fig. 4 is the flow chart of second embodiment of the invention;
Fig. 5 is the flow chart of third embodiment of the invention;
Fig. 6 is the flow chart of fourth embodiment of the invention;
Fig. 7 is the flow chart of fifth embodiment of the invention;
Fig. 8 is for being provided with the flow chart after the forbidden signal source in the fifth embodiment of the invention;
Fig. 9 is tabulation figure in available signal source in the sixth embodiment of the invention;
Figure 10 is tabulation figure in search signal source in the sixth embodiment of the invention;
Figure 11 is the flow chart of signal source after effectively in the sixth embodiment of the invention;
Figure 12 is the schematic diagram after increasing element in the sixth embodiment of the invention in the tabulation of available signal source;
Figure 13 is the flow chart of signal source after invalid in the sixth embodiment of the invention;
Figure 14 is the schematic diagram after deleting element in the sixth embodiment of the invention in the tabulation of available signal source;
Figure 15 is the flow chart of signal source after effectively in the ninth embodiment of the invention;
Figure 16 is the flow chart of signal source after invalid in the ninth embodiment of the invention;
Figure 17 is the flow chart of first kind of implementation in the tenth embodiment of the invention;
Figure 18 is the flow chart of second kind of implementation in the tenth embodiment of the invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
Main thought of the present invention is that display device detects simultaneously by the signal source interface to self, determines the state of signal source, according to the signal source state of determining signal source is handled then.Overview flow chart of the present invention as shown in Figure 2, concrete steps are as follows:
The signal source state that step 202, basis are determined is handled signal source.
Realization detects simultaneously to the signal source interface, a kind of method is that the interface for each signal source correspondence is provided with video frequency processing chip correspondingly, for example, be ADC of each VGA interface configuration, be ADC of each DVI interface configuration, for each S-Video interface is joined a Video Decoder, then after the system start-up, all video frequency processing chips detect self state by the signal source that interface connected simultaneously, and notify kernel control module after detecting effective or invalid signal source.
Another kind method is signalization source validity detection module in display device.As shown in Figure 3, signal source validity detection module 300 comprises detecting sensor 301, signal processing circuit 302, microprocessor 303 and communication interface 304.Wherein, detecting sensor 301 can be mechanical pick-up device or optical pickocff, whether be used for the detection signal source interface has hardware to insert and extracts, it also can be electronic sensor, directly whether the detection signal source interface has inserted the useful signal source, and the form of testing result with the signal of telecommunication is sent in the microprocessor 303 by signal processing circuit 302; Microprocessor 303 is handled the signal of telecommunication that is sent to wherein again, obtain this effective or invalid information in signal source interface respective signal source, and sending the information obtained to kernel control module by communication interface 304 and communication interface 305 in the kernel control module, the information in the kernel control module of sending to comprises signal source sign and effectively or invalid event information.Input signal interface for some kind, DVI interface for example, because the index signal that himself provides sign whether to have corresponding signal source to insert, for example the 14th pin of DVI interface provides this signal, and can directly link to each other with microprocessor 303, therefore in described signal source validity detection module 300, for this class input signal interface, do not need joint detection transducer 301 and signal processing circuit 302, but directly link to each other with microprocessor 303.
In addition, for the display device that has comprised the signal source that increases by add-on module, in above-mentioned two kinds of detection methods, all need independent detection for the signal source that increases by add-on module.
Owing to remove outside the video interface between add-on module and the display device, be used for the data communication interface 306 of transmitting control data in addition, 307, so in the present invention, for add-on module, determine by after self inserting effective signal source, directly this signal source sign and effective status are passed through data communication interface 306,307 send kernel control module to, and add-on module is behind its effective status of notice kernel control module, also with self signal source interface message and signal source data path relevant information such as video frequency processing chip type notice kernel control module, add-on module can also be with the priority notice kernel control module of signal source; When the signal source that inserts by add-on module by effectively become invalid after, add-on module is notified kernel control module with this signal source sign and disarmed state by data communication interface, after kernel control module receives notice, this signal source object is deleted.Above-mentionedly be meant that effectively the signal of the signal source input that inserts by add-on module is the correct vision signal that directly can show.
By this detection mode, solved in the prior art and can't distinguish the video standard signal of radio signal source and the problem of real vision signal by video frequency processing chip to add-on module.
To among the present invention, signal source is handled detailed description below by specific embodiment according to the signal source state of determining.
In signal source management method first embodiment of the present invention, display device waits no show state following time just starting or stoping demonstration, video frequency processing chip in the display device carries out validity to all signal sources simultaneously and detects, and adopts above-mentioned first kind of detection method here.After detecting a certain signal source and being in effective status, this signal source validity event of video frequency processing chip notice kernel control module, kernel control module promptly stops to receive other signal source validity event, and shows the detected signal source that is in effective status.
In the present embodiment, owing to detect by the state of validity of video frequency processing chip to signal source, set up between this video frequency processing chip and the signal source interface and be connected, then for this signal source, its data path is set up, so display device can directly show the detected signal source that is in effective status.In addition, for the signal source that increases by add-on module, because after this signal source of notice kernel control module is effective status, add-on module is also notified kernel control module by data communication interface 306,307 with signal source data path relevant informations such as signal source interface message and video frequency processing chip types, display device then can be set up the data path of this signal source according to these information, and shows the detected signal source that is in effective status by the data path of setting up.
Second embodiment of signal source management method of the present invention and the difference part of first embodiment are: the validity of signal source detects is undertaken by above-mentioned second method.Because in second kind of detection method, validity detection to signal source is undertaken by the signal source validity detection module that increases, do not pass through video frequency processing chip, so after the signal source that detects the access of non-add module is effective, be merely able to know the signal source sign, and can't know the interface message and the video frequency processing chip type of this signal source.
Therefore, in the present embodiment, definition signal source object in kernel control module in advance, each signal source object comprises following attribute: signal source sign and signal source data path relevant information, signal source data path relevant information comprises signal source interface message and video frequency processing chip type at least.Connected a plurality of interfaces at a video frequency processing chip, also promptly connected under the situation of a plurality of signal sources, signal source data path relevant information can also comprise the signal connector position.For example, ADC links to each other with signal source 1, signal source 2, signal source 3 and signal source 4 by two bidirectional switchs, and the connector position of signal source 1 is 11, and the position of signal source 2 is 12, and the position of signal source 3 is 21, and the position of signal source 4 is 22; Wherein, the position of double-digit ten first bidirectional switchs of bit representation, unit numbers is represented the position of second bidirectional switch.In addition, the attribute of signal source object can also comprise signal source name, shows this title with the screen display (OSD) by display device to the user.The flow process of present embodiment as shown in Figure 4, concrete steps are as follows:
Step 401, kernel control module obtain signal source sign and validity incident.
In this step, signal source sign and validity incident that kernel control module obtains, can to be signal source validity detection module have signal source to be inserted into or after signal source becomes effectively detecting at interface, sends kernel control module to by communication interface 304,305; Also can be add-on module after detecting signal source by its access and becoming effectively, by the validity event notice kernel control module of data communication interface with additional signal source sign and respective signal source.
Step 402, kernel control module identify the data path relevant information that obtains the respective signal source object according to this signal source, and set up data path according to these information for this signal source, and the signal to this signal source input shows then.
In first and second embodiment of the present invention,, significantly reduced the time of sequential search signal source by the state of validity of while sensed signal sources.But, in practice, tend to occur the simultaneously effective situation of a plurality of signal sources, in this case, the signal source of the required demonstration of user has only a kind of, can only propose the third embodiment of the present invention by the hand-operated forced problem of search again of user for solving in this case.
In the third embodiment of the present invention, display device waits no show state following time just starting or stoping demonstration, simultaneously all signal sources being carried out validity detects, concrete detection method can be identical with first or second embodiment, just kernel control module is not after detecting effective signal source in the present embodiment, just stop to receive other signal source validity event, but write down all detected useful signal sources, the useful signal source according to record shows then.
In the present embodiment, need in display device, to set in advance the priority of each signal source.After this, the flow process of present embodiment as shown in Figure 5, concrete steps are as follows:
In this step, can be to write down detected useful signal source and priority by the form of tabulating in the useful signal source, this tabulation can be as shown in table 1:
| The signal source sign | Priority |
| ID_Source1 | PRI1 |
| ID_Source2 | PRI2 |
| ID_Source3 | PRI3 |
| …… | …… |
Select signal source to show according to priority, normally in tabulation, select the highest signal source of priority to show.In addition, if adopted above-mentioned first kind of detection method in the present embodiment, then display device can be directly be identified at according to signal source and obtains signal on the data path of having set up and show; If adopted above-mentioned second kind of detection method in the present embodiment, then display device also needs to identify according to signal source, inquire about the signal source data path relevant information of this signal source object correspondence, set up the data path of this signal source again according to these information, obtain signal by the data path of setting up then and show.
It more than is explanation to third embodiment of the invention.In the 3rd embodiment, solved detecting a plurality of useful signals source after, how display device selects the problem of signal source.But in some cases, the user may not wish that some signal source is shown, and also may wish to have only a certain class signal source to be shown, and for this reason, has proposed the of the present invention the 4th and the 5th embodiment, is described below.
In the 4th embodiment, forbidden signal source is set in system in advance, method to set up can be that the user is provided with by software interface.
After this, the flow process of present embodiment as shown in Figure 6, concrete steps are as follows:
Step 602～604, display device judge respectively whether detected signal source is forbidden signal source, if then do not write down this signal source; Otherwise writing down this signal source is useful signal source and this signal source corresponding priorities, and recording mode is identical with above-mentioned steps 502.
In the 5th embodiment, contextual model and pairing signal source thereof are set in system in advance.Being provided with of contextual model can be carried out according to concrete needs, and pairing signal source also can the respective flexible setting under every kind of contextual model.For example, theater mode and Report mode can be set, under theater mode, only allow each Video signal source to be shown, under Report mode, only allow each Graphic signal source to be shown.
In display device, can set in advance the contextual model of acquiescence, when the user need be provided with other contextual model, display device can show contextual model selection interface to the user, after certain contextual model had been selected at the user by selecting interface, display device was set at this contextual model the contextual model of current use.
The flow process of present embodiment as shown in Figure 7, concrete steps are as follows:
Step 703～705, judge whether detected signal source is the pairing signal source of contextual model of current use respectively, if, then writing down this signal source is useful signal source and this signal source corresponding priorities, and recording mode is identical with above-mentioned steps 502; Otherwise, do not write down this signal source.
In the present embodiment, can also set in advance forbidden signal source, in this case, the flow process of present embodiment as shown in Figure 8, Fig. 8 is identical with most of step among Fig. 7, the difference be to judge the pairing signal source of contextual model that detected signal source is current use in the step 803 after, elder generation's execution in step 804: judge whether this signal source is forbidden signal source, if then execution in step 805, step 805 is identical with step 704; Otherwise, execution in step 806, step 806 is identical with step 705; Step 807 after this is identical with step 706.
In the above-described embodiments,, show according to detected useful signal source then, reduced the time of signal source searching by the validity of while sensed signal sources.But in some cases, the user wishes just can preferentially show this signal source after having inserted certain signal source, be the plug and play of signal source, for realizing this function, and further increase the flexibility of signal source management, proposed the sixth embodiment of the present invention, be described below.For convenience of description, in the 6th embodiment,, can consult and carry out to using first kind of detection method only to using above-mentioned second kind of detection method to be elaborated.
In the sixth embodiment of the present invention, each signal source object of definition display device in display device is identical among the attribute that each signal source object comprises and second embodiment in advance.Also need to preestablish the priority of each signal source in the present embodiment, can in the signal source object, increase the setting that priority attribute is realized priority for each signal source object.
In the present embodiment, two tabulations need be set in display device, one of them is the tabulation of available signal source, is used for storing effective signal source in the display device; Another is the tabulation of search signal source, the tabulation of search signal source is on the basis of available signal source tabulation, arrangement that process is certain or filtering rule form, search signal source tabulation is used for display device and directly searches signal source therein and show, because the signal source in the tabulation of search signal source forms again through arrangement or filtering rule, can reduce search time further so display device is searched signal source therein.
Because it is its memory allocated space in advance that common tabulation needs, its way of realization underaction for addressing this problem, can adopt the form of annular tabulation to realize above-mentioned two tabulations.Below it is specifically described.
In the present embodiment, each element in the tabulation of available signal source all comprises: the pointer Pointer_Previous, the pointer Pointer_Source of directional signal source object, the pointer Pointer_Next of the back element of sensing that point to previous element.In addition, also need a current available signal source pointer Pointer_CurrentValidSource who points to this tabulation currentElement, be sky if this is tabulated, then this pointer also is empty; Tabulate as shown in Figure 9 in the available signal source that has comprised two above elements.
The form of search signal source tabulation, identical with the tabulation of available signal source, each element wherein also all comprises: the pointer Pointer_Previous, the pointer Pointer_Source of directional signal source object, the pointer Pointer_Next of the back element of sensing that point to previous element.In addition, also need a first search signal source pointer Pointer_FirstSearchingSource who points to the current search signal source pointer Pointer_CurrentSearchingSource of this tabulation current search object and point to this first element of tabulating, be sky if this is tabulated, then these two pointers also are empty; This search signal source tabulation as shown in figure 10.
In the testing process of signal source validity detection module to signal source, signal source is effective, signal source is invalid if detected, or signal source is inserted into, when extracting, all can cause the change of above-mentioned two tables.Describe respectively below.
Signal source is inserted into or signal source becomes effectively when signal source validity detection module detects, behind the notice display device kernel control module, after perhaps add-on module is notified kernel control module by data communication interface with the effective status of signal source, display device to two flow processs that change of table as shown in figure 11, concrete steps are as follows:
In fact this step comprises two kinds of situations: first kind is the validity detection module after detecting that signal source is inserted into or signal source becomes effectively, by communication interface notice kernel control module this signal source sign and respective signal source validity event; Second kind is add-on module by the validity event of data communication interface with additional signal source sign and respective signal source, and other attributes notice kernel control modules such as priority.
After step 1102, kernel control module receive signal source sign and respective signal source validity event, obtain the corresponding signal source object of this signal source sign, before the corresponding current available signal source pointer of available signal source tabulation element pointed, increase an element, the pointer that points to the signal source object in the element that increases is the pointer of the signal source object that obtains, and element that current available signal source pointed should be increased.
In this step, because for the signal source that inserts by add-on module, the attribute of its signal source object is the data communication interface by add-on module and kernel control module, directly send kernel control module to, in this case, in this step, be actually kernel control module earlier for this signal source foundation comprises the signal source object of attributes such as this signal source sign, priority, and then obtain the pointer of this signal source object.And for the signal source sign and the validity event that transmit by the communication interface in signal validity detection module and the kernel control module, this signal source identify pairing signal source to as if pre-defined in display device, so kernel control module is the pointer that obtains this signal source object by this signal source sign.
In addition, because the tabulation of available signal source is an annular tabulation, have three kinds of situations so this step increases unit in the tabulation of available signal source in reality is carried out: first kind of situation is that the tabulation of available signal source is original for empty, then this step is exactly directly to generate an element that comprises the pointer of signal source object that obtains, the pointer of the pointer of the previous element of sensing of this element and the back element of sensing is sky, and corresponding current available signal source this element of pointed of will tabulating; Second kind of situation is, the tabulation of available signal source had only an element originally, then this step is exactly to generate an element that comprises the pointer of signal source object that obtains, this element middle finger all points to original element in the tabulation to the pointer of previous element and the pointer of the back element of sensing, and the pointer of the previous element of sensing of original element all points to newly-generated element with the pointer that points to a back element in will tabulating, corresponding current available signal source this newly-generated element of pointed of will tabulating then; The third situation is, element more than one has been arranged in the tabulation of original available signal source, then in this step be exactly, at first generate an element that comprises the pointer of signal source object that obtains, and this element is inserted into behind current available signal source pointed element and this element between the element, then with the newly-generated element of current available signal source pointed, this situation illustrates that by accompanying drawing for example tabulate as shown in figure 12 in the available signal source behind the increase element in available signal source tabulation as shown in Figure 9.
The timestamp of step 1103, the source tabulation of modification available signal.This step can be that timestamp is added an operation, and timestamp is used for the change number of times of identification list.
Step 1104, inquiry are also judged the current state of display device, if the current state of display device is a search condition, and execution in step 1105,1106,1107 and subsequent step; If the current state of display device is a show state, execution in step 1106, process ends then; If the current state of display device is a wait state, execution in step 1106, execution in step 1107 then.
In this step, query display equipment current state, be to realize by the variable of inquiring about the tag system state that in display device, is provided with in advance, this variable can have three values, correspond respectively to search condition, show state and wait state,, also do not generate the tabulation of search signal source when system just starts, when also not showing, this variate-value is the value of corresponding wait state; When display device showed, this variate-value was the value of corresponding show state; When not demonstration of display device, when the tabulation of search signal source being searched for, this variate-value is the value of corresponding search condition.
Owing to be under the search condition tabulation of search signal source made amendment at display device and can cause system mistake, so at first will stop search to the tabulation of search signal source.
In this step, element is inserted into the relevant position of tabulating in the search signal source, is implemented as follows: suppose that current available signal source pointed element institute respective signal source object is a signal source 1 in the tabulation of available signal source, its corresponding priorities is PRI1.Then be at first to read PRI1, then in the tabulation of search signal source, with the first search signal of current search signal source pointed source pointer element pointed, whether the priority of judging this element institute respective signal source object is lower than PRI1, if then before this element, increase an element, signal source pointer to object in the element that increases is the pointer of signal source 1, and current search signal source pointer and first search signal source pointer are all pointed to the element of this increase, finishes this step then; Otherwise, with the next element of current search signal source pointed, continue then to judge whether the priority of this element respective signal source object is lower than PRI1, if, before this element, increase an element, the signal source pointer to object of the element that increases is the pointer of signal source 1, and with the element that current search signal source pointed should increase, finishes this step then; Otherwise, with the next element of current search signal source pointed, proceed to judge again, and increase element or search downwards according to judged result.If all signal source priority all are higher than this signal source in the former search signal source tabulation, then join this signal source behind last element in the tabulation of former search signal source and finish this step.
The signal source object of step 1107, the first search signal of current search signal source pointed source pointed that search signal source tabulation is corresponding.
In this step, by current search signal source pointer is consistent with first search signal source pointed, realization shows from first element search start signal source of search signal source tabulation, like this, under the situation of search signal source tabulation height ordering according to priority, begin to search for and show from the highest signal source of priority with regard to having realized.
Because by the detected useful signal of signal source validity detection module source, or add-on module is notified to the useful signal source of kernel control module by data communication interface, though be effective status after testing, but when handling by video frequency processing chip, the form of input signal, refreshing frequency etc. might not be the supports of this display device, whether the signal source that can correctly show is so need here can correctly show signal source and judge.
Step 111O, display device show this signal source.
In this step, can also be simultaneously show the signal source information of current demonstration by OSD or other modes to the user, these information can comprise signal source name, signal source interface message, priority etc.
Step 1111, with next element in the current search signal source pointed search signal source tabulation, return execution in step 1108 then.
Signal source is pulled out or signal source is invalid by effectively becoming when signal source validity detection module detects, behind the notice display device kernel control module, after perhaps add-on module is notified kernel control module by data communication interface with the disarmed state of signal source, display device to two flow processs that change of table as shown in figure 13, concrete steps are as follows:
In this step, actually comprise two kinds of situations: first kind be the validity detection module detect that signal source is pulled out or signal source by effectively become invalid after, by communication interface with this signal source sign and respective signal source invalid event notice kernel control module; Second kind is that add-on module is by the invalid event notice kernel control module of data communication interface with additional signal source sign and respective signal source.
After step 1302, kernel control module received signal source sign and invalid event, inquiry was also judged the current state of display device, if the current state of display device is a search condition, and execution in step 1303,1304,1305 and 1306; If the current state of display device is a show state, execution in step 1304,1305, process ends then; If the current state of display device is a wait state, execution in step 1304,1305 and 1306.
In this step, delete procedure with current search pointed search listing header element, then from this element, judges that whether the pairing signal source object of this element is the signal source object in the step 1301, if then deletion at first; Otherwise with the next element of current search pointed, judge again, and delete or continue according to judged result and search, till finding signal source object and deletion.The detailed process of deletion element is the inverse process of addition element, can carry out with reference to step 1102 in implementation procedure.
For signal source sign and invalid event is that in this step, kernel control module also needs to delete this signal source object that writes down in the display device under the situation of add-on module by data communication interface notice kernel control module.
In addition, in the present embodiment, if signal source that is showing is pulled out or is invalid, then this signal source can be lost, display device has just stopped the demonstration to this signal source, and then carry out signal source searching by search signal source tabulation, promptly carry out step 1108 and flow process thereafter among Figure 11.
More than be the detailed description to sixth embodiment of the invention, on the basis of the 6th embodiment, the user also can also preestablish forbidden signal source and contextual model, describes by the 7th and the 8th embodiment respectively below.
In the seventh embodiment of the present invention, on the basis of the 6th embodiment, preestablished forbidden signal source, then in the flow process of above-mentioned Figure 11, need be in step 1106, after reading the element pointed of current available signal source pointer Pointer_CurrentValidSource in the available signal source tabulation, judge at first whether this signal source object is forbidden signal source, if forbidden signal source then directly finishes this step; Otherwise, continue to carry out this step.
In the eighth embodiment of the present invention, on the basis of the 6th or the 7th embodiment, set in advance contextual model, concrete method to set up is identical with the 4th embodiment.In the step 1106 of flow process shown in Figure 11, not forbidden signal source then, need also further to judge that whether this signal source is the signal source in the contextual model of current use, if then continue to carry out this step if judge the signal source object; Otherwise finish this step.
And then, on the basis of the 6th, the 7th and the 8th embodiment, can also be set in advance in the termination condition when repeating to increase some signal source elements in the search signal source tabulation, below by the 9th embodiment it is illustrated.
In the 9th embodiment, by radio signal source to preestablishing termination condition and corresponding processing procedure is elaborated.
Be set in advance in the termination condition that adds radio signal source in two other signal sources, this termination condition is that second pairing signal source of element behind the current search signal source pointer radio signal source corresponding element pointed is radio signal source.
In the present embodiment, during flow process in carrying out Figure 11, need judge before step 1106 whether the signal source that will increase is radio signal source, as shown in figure 15.Specifically, in step 11060, judge whether the signal source that will increase is radio signal source, if execution in step 11061 then: the element that before the element of first search signal source pointer indication, increases a corresponding radio signal source, and current search signal source pointer and first search signal source pointer all pointed to the element of this increase, execution in step 11062 then; Otherwise, normally carry out step 1106 and subsequent step in Figure 11 flow process.
In step 11062, judge whether to have satisfied predefined termination condition, judge promptly whether second pairing signal source of element behind the current search signal source pointer element pointed is radio signal source, if, the subsequent step of step 1106 among execution Figure 11; Otherwise, execution in step 11063.Wherein, current search signal source pointer element pointed is the pairing element of radio signal source that increases in step before, therefore can carry out corresponding judgment by termination condition, in search listing, increase the radio signal source corresponding element to determine whether to have finished.
In step 11063, with second element behind the current element pointed of current search signal source pointed, and before this element, increasing the element of a corresponding radio signal source, element that current search signal source pointed should be increased returns execution in step 11062 then again.
By the setting of above-mentioned flow process, when being radio signal source, between per two non-radio signal source, all add this radio signal source, thereby can realize after in a single day radio signal source becomes effectively, just preferentially being shown with regard to the signal source that can be implemented in increase.
In addition, for the flow process among Figure 13, in the present embodiment, accordingly in step 1304, after finding an element and deletion, directly do not finish this step, but continue to search downwards, until finishing, finish this step, specifically as shown in figure 16 to after the searching of whole tabulation.Wherein, after step 1304, execution in step 13041: judge whether next element is first search signal source pointer element pointed, if execution in step 1305 reaches step thereafter; Otherwise execution in step 13042 with the next element of current search pointed, is returned execution in step 1304 then.
In the tenth embodiment of the present invention, on the basis of above-mentioned the 6th to the 9th embodiment, increased the realization of direct handoff functionality.Promptly set in advance the pairing function key of direct handoff functionality, the prior art that is set to owing to for function key is not described in detail here.In addition, system needs the last signal source that shows of record in procedure for displaying.After the user has started direct handoff functionality by function key, the flow process of present embodiment as shown in figure 17, concrete steps are as follows:
The signal source that the last time of step 1701, display device reading and recording shows.
Step 1702, stop current demonstration, by the signal source that reads signal is shown then.
The function of above-mentioned direct switching can also realize by following flow process, promptly after the user has started direct handoff functionality by function key, carry out the step among following Figure 18:
Step 1801, display device deletion search signal source tabulation wherein.
In order to realize that display device can be behind search listing, directly show the last signal source that shows, thus can be with the tabulation deletion of original search signal source, avoid searching for and occurring mistake when showing according to the tabulation of search signal source.
Step 1802, display device generate the tabulation of search signal source with the signal source of the last time demonstration of record as only element.
Step 1803, display device show the signal source of element correspondence wherein according to this search signal source tabulation.
More than be explanation, in concrete implementation process, can carry out suitable improvement, to adapt to the concrete needs of concrete condition method of the present invention to the specific embodiment of the invention.Therefore be appreciated that according to the specific embodiment of the present invention just to play an exemplary role, not in order to restriction protection scope of the present invention.
Claims (17)
1, a kind of method for managing display device signal source is characterized in that, this method comprises:
A, display device detect simultaneously by the signal source interface to self, determine the state of the pairing signal source of described interface;
The signal source state that B, basis are determined is handled signal source.
2, method according to claim 1 is characterized in that, described step B is:
From state is signal source of effective signal source selecting, and shows this signal source.
3, method according to claim 2 is characterized in that, preestablishes the priority of signal source;
Among the step B, described is that signal source of effective signal source selecting comprises from state:
B11, determine that signal source effectively after, write down detected useful signal source;
B12, from the useful signal source of record, select the highest signal source of priority.
4, method according to claim 1 is characterized in that, the search signal source tabulation that is provided for storing the available signal source tabulation of effective signal source in advance and is used for display device search signal source in display device;
Described step B comprises:
B21, determine that signal source effectively after, this signal source is increased in the tabulation of available signal source;
B22, in search signal source tabulation, increase this signal source.
5, method according to claim 4 is characterized in that,
Described step B22 is: increase signal source according to predefined signal source priority order in the tabulation of search signal source;
Described step B22 or be: in the tabulation of search signal source, increase this signal source once more than.
6, method according to claim 4 is characterized in that, further comprises behind the described step B22: display device is searched for search signal source tab sequential, and shows the signal source that searches at first.
7, method according to claim 4 is characterized in that, described step B further comprises:
Determine signal source be invalid after, with the deletion from available signal source tabulation of this signal source, and with the deletion from the tabulation of search signal source of this signal source.
8, according to claim 4 or 7 described methods, it is characterized in that, available signal source tabulation timestamp and search signal source tabulation timestamp are set in display device in advance;
Described tabulation is changed further comprises: the timestamp of revising this tabulation.
According to arbitrary described method in the claim 4 to 7, it is characterized in that 9, tabulation of described available signal source and the tabulation of search signal source are the annular tabulation.
10, method according to claim 4 is characterized in that, sets in advance direct handoff functionality key; And the last signal source that shows of record;
After having started direct handoff functionality key, this method further comprises: display device shows according to the signal source of the last time demonstration of record;
After having started direct handoff functionality key, this method or further comprise: display device deletion search signal source tabulation wherein; The signal source that shows with the last time of writing down generates the tabulation of search signal source as only element; According to the tabulation of this search signal source the signal source of element correspondence is wherein shown.
11, according to arbitrary described method in the claim 3 to 7, it is characterized in that, preestablish forbidden signal source;
Among the step B, further comprise after described definite signal source is effective: judge whether this signal source is forbidden signal source, if not, then carry out subsequent step.
12, according to arbitrary described method in the claim 3 to 7, it is characterized in that, preestablish contextual model, and pairing signal source, and chosen in advance situation of presence pattern;
Among the step B, further comprise after described definite signal source is effective: judge whether this signal source is the pairing signal source of selecting in advance of contextual model, if then carry out subsequent step.
13, according to arbitrary described method in claim 1 to 7 or the claim 10, it is characterized in that, the video frequency processing chip of a unique correspondence is set for each signal source in display device in advance;
In the steps A, described display device detects simultaneously self signal source interface and is: whether each video frequency processing chip in the display device has connected effective signal source to the signal source interface that is connected with self is simultaneously detected.
14, according to arbitrary described method in claim 1 to 7 or the claim 10, it is characterized in that, the signal source validity detection module that is connected with the signal source interface is set in display device in advance;
In the steps A, described display device detects simultaneously self signal source interface and is: whether the signal source validity detection module pair signal source interface that is connected with self has connected effective signal source is detected simultaneously;
The state of described definite signal source comprises effective status and disarmed state,
The state of described definite signal source effectively is:
Signal source validity detection module detects in the interface signal source and is inserted into and/or the signal source validity event;
The state of described definite signal source is invalid to be:
Signal source validity detection module detects in the interface signal source and is pulled out and/or the signal source invalid event.
15, according to right want 1 to 7 or claim 10 in arbitrary described method, it is characterized in that the signal source interface of described display device further comprises: the signal source interface that increases by add-on module; Between described add-on module and the display device data communication interface is arranged;
Described steps A further comprises: detected by the signal source interface of add-on module to self, determine the signal source state, and by data communication interface determined signal source state is sent to display device.
16, according to claim 2,6 or 10 described methods, it is characterized in that, the signal source validity detection module that is connected with the signal source interface and the signal source data path relevant information of signalization source correspondence are set in display device in advance;
In the steps A, described display device detects simultaneously self signal source interface and is: whether signal source validity detection module has connected effective signal source by the signal source interface that is connected with self is detected simultaneously;
Described display source signal comprises: obtain the signal source data path relevant information of the signal source correspondence that will show, and set up data path according to the data path relevant information that obtains, obtain signal by the data path of setting up afterwards and show.
According to claim 2,6 or 10 described methods, it is characterized in that 17, the signal source interface of described display device further comprises: by the signal source interface of add-on module increase; Between described add-on module and the display device data communication interface is arranged;
Described steps A further comprises: detected by the signal source interface of add-on module to self, determine the signal source state, and by data communication interface determined signal source state is sent to display device;
Further comprise before the described display source signal: add-on module sends to display device by the signal source data path relevant information of the signal source that data communication interface will show;
Described display source signal is: display device is set up data path according to the signal source data path relevant information that add-on module sends to self, and obtains signal by the data path of setting up and show.
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