CN103218987B - Method and device for conducting display processing on video signal - Google Patents
Method and device for conducting display processing on video signal Download PDFInfo
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- CN103218987B CN103218987B CN201310141886.7A CN201310141886A CN103218987B CN 103218987 B CN103218987 B CN 103218987B CN 201310141886 A CN201310141886 A CN 201310141886A CN 103218987 B CN103218987 B CN 103218987B
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Abstract
The invention discloses a method and device for conducting display processing on a video signal. According to the method and device for conducting display processing on the video signal, a video signal which is processed by a video processor is sent to a microprocessor and a shift switch at the same time, the microprocessor judges whether display processing needs to be conducted on the current video signal or not, therefore display processing is not conducted on the video signal with poor video signal quality, the shift switch is controlled to be connected with the video processor in a breakover mode, and the video signal after being processed by the video processor is directly received and is transmitted to a display screen. Therefore, signal loss caused when display processing is conducted on the video signal with poor video signal quality is effectively avoided, signal quality of the video signal of a vehicle-mounted displayer is guaranteed to a certain degree, and satisfaction degree of use experience is guaranteed.
Description
Technical field
The present invention relates to Display Processing Technology field, in particular, relate to a kind of vision signal display processing method and equipment.
Background technology
Car-mounted display equipment can be vivid show the related status information of vehicle for user, and corresponding amusement and leisure service can be provided for user, therefore receive liking of users.In recent years, along with the development of automotive engineering, the Presentation Function of car-mounted display equipment is also more and more abundanter.
In order to make the display mode of Vehicular display device more diversified, usually before sending vision signal to display, can process especially vision signal, to strengthen display effect.Fig. 1 is car-mounted display device structure process flow diagram in prior art, shown in Figure 1, in prior art, after basic process being carried out to vision signal by video processor, usually the vision signal processed is sent to a microprocessor, carry out further functional processing by this microprocessor to vision signal, as Signal averaging function, signal can operating function etc.But, due to the feature of information process itself, in the process of microprocessor processes vision signal, the signal quality of vision signal can be lost, so just make some vision signals that signal quality is just poor originally after the process of microprocessor, signal quality is poorer, reduces the experience sense of user.
Summary of the invention
In view of this, the invention provides a kind of vision signal display processing method and equipment, to realize the signal quality of the vision signal effectively ensureing Vehicular display device to a certain extent, and then ensure the experience sense satisfaction of user.
For achieving the above object, the invention provides following technical scheme:
A kind of vision signal display processing method, comprising:
Vision signal through its process is mail to microprocessor and change-over switch by video processor simultaneously; Wherein, the input end of described change-over switch is connected with described microprocessor and described video processor respectively;
Described microprocessor judges current video signal is the need of through Graphics Processing;
If so, then described microprocessor carries out Graphics Processing to described vision signal and controls described change-over switch and self conducting, and the vision signal through Graphics Processing is sent to described change-over switch;
If not, then change-over switch described in described Microprocessor S3C44B0X and described video processor conducting; Described change-over switch by the video signal transmission that sent by described video processor to display screen.
Optionally, described change-over switch is the single-pole double-throw switch (SPDT) with control circuit.
Optionally, described change-over switch is for controlling self and distinct device conducting, to receive the switching chip of different video signal according to steering order.
Optionally, described microprocessor carries out Graphics Processing to described vision signal, comprising:
Described microprocessor carries out overlap-add procedure to described vision signal or described microprocessor carries out editing and processing to the vision signal of quality more than preset standard.
Optionally, the vision signal of described quality more than preset standard comprises YUV signal and rgb signal.
Optionally, described microprocessor is embedded microprocessor.
A kind of vision signal display processing device, comprising:
Video processor, for mailing to microprocessor and change-over switch by the vision signal through its process simultaneously;
Microprocessor, carries out Graphics Processing for the Quality estimation according to vision signal the need of to vision signal, and switches different vision signal conductings to display screen according to judged result control change-over switch;
Change-over switch, for control according to described microprocessor-based control instruction with described microprocessor conducting or with described video processor conducting.
Optionally, described change-over switch is the single-pole double-throw switch (SPDT) with control circuit.
Optionally, described change-over switch is for controlling self and distinct device conducting, to receive the switching chip of different video signal according to steering order.
Optionally, described microprocessor is embedded microprocessor.
Known via above-mentioned technical scheme, compared with prior art, the embodiment of the invention discloses a kind of vision signal display processing method and equipment, vision signal through video processor process is mail to microprocessor and change-over switch by described method simultaneously, by microprocessor judges current video signal the need of through Graphics Processing, therefore the vision signal bad to video signal quality Graphics Processing can not carried out, and then control change-over switch and video processor conducting, vision signal after the process of direct receiver, video processor also transfers to display screen, thus effectively prevent the bad vision signal of video signal quality in the loss of signal through Graphics Processing, ensure that the signal quality of the vision signal of Vehicular display device to a certain extent, ensure that Consumer's Experience sense satisfaction.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is car-mounted display device structure process flow diagram in prior art;
Fig. 2 is vision signal display processing method process flow diagram disclosed in the embodiment of the present invention;
Fig. 3 is vision signal display processing device structural representation disclosed in the embodiment of the present invention;
Fig. 4 is vision signal display processing device structure flow chart disclosed in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment one
Fig. 2 is vision signal display processing method process flow diagram disclosed in the embodiment of the present invention, shown in Figure 2, and described method can comprise:
Step 201: the vision signal through its process is mail to microprocessor and change-over switch by video processor simultaneously.
In step 201, the vision signal through video processor process is mail to microprocessor and change-over switch side by side.In the present embodiment, described change-over switch has two input ends, and these two input ends are connected with described microprocessor and described video processor respectively.Described change-over switch can't carry out any process to vision signal, and at one time, described change-over switch can only connect an equipment, i.e. microprocessor or video processor.
Wherein, described change-over switch can be the single-pole double-throw switch (SPDT) with control circuit, why with control circuit, because described change-over switch needs the steering order sent according to described microprocessor to control to switch different data channel, namely control the conducting of data channel between change-over switch and microprocessor, or control the conducting of data channel between change-over switch and video processor.Because change-over switch is that the steering order sent according to microprocessor controls to switch, therefore, in the present embodiment, the state of change-over switch and described microprocessor conducting can be set to reset mode.
Described change-over switch can also for controlling self and distinct device conducting, to receive the switching chip of different video signal according to steering order.
Step 202: described microprocessor judges current video signal is the need of through Graphics Processing; If so, step 203 is entered; If not, step 204 is entered.
In the present embodiment, microprocessor judges vision signal can have two the need of the condition through Graphics Processing, one is that the quality of current vision signal is greater than preset standard, like this, even if carry out Graphics Processing to current video signal, the quality of the vision signal after Graphics Processing also can not be too poor, can meet user's requirement; Another condition is that current vision signal needs superposition, certainly, which signal demand superposition, which does not need superposition, these can be configured in the internal memory of described microprocessor by developer in advance, such as, specify that the vision signal of YUV classification and RGB classification needs superposition in advance by configuration parameter, the vision signal of other classifications does not need superposition.
Step 203: described microprocessor carries out Graphics Processing to described vision signal and controls described change-over switch and self conducting, and the vision signal through Graphics Processing is sent to described change-over switch.
Judging that current video signal needs after Graphics Processing, described microprocessor will carry out Graphics Processing to current vision signal, and this Graphics Processing can comprise and carries out overlap-add procedure to described vision signal and/or carry out editing and processing to the vision signal of quality more than preset standard.Wherein, the vision signal of described quality more than preset standard comprises YUV signal and rgb signal.
Meanwhile, change-over switch described in described Microprocessor S3C44B0X and the data channel conducting of self, so that the vision signal through self Graphics Processing is sent to described change-over switch, and transfer to display screen by described change-over switch.
Step 204: change-over switch described in described Microprocessor S3C44B0X and described video processor conducting; Described change-over switch receives the vision signal that sent by described video processor and is transferred to display screen.
Judging that current video signal does not need through Graphics Processing, described microprocessor will send a steering order to described change-over switch, indicates described change-over switch and the direct conducting of described video processor; Closing Switch, after receiving above-mentioned steering order, leads and is connected to the data channel of described video processor by described change-over switch.In the present embodiment, do not need the vision signal of carrying out Graphics Processing through described microprocessor can comprise the vision signal of YC type and the vision signal of CVBS type.
In the present embodiment, described microprocessor can be embedded microprocessor, like this, be not only convenient to install, and whole car-mounted display equipment all can be light small and exquisite.
In the present embodiment, vision signal through video processor process is mail to microprocessor and change-over switch by described method simultaneously, by microprocessor judges current video signal the need of through Graphics Processing, therefore the vision signal bad to video signal quality Graphics Processing can not carried out, and then control change-over switch and video processor conducting, vision signal after the process of direct receiver, video processor also transfers to display screen, thus effectively prevent the bad vision signal of video signal quality in the loss of signal through Graphics Processing, ensure that the signal quality of the vision signal of Vehicular display device to a certain extent, ensure that Consumer's Experience sense satisfaction.
Describe method in detail in embodiment disclosed in the invention described above, the equipment of various ways can be adopted to realize for method of the present invention, therefore the invention also discloses a kind of equipment, provide specific embodiment below and be described in detail.
Embodiment two
Fig. 3 is a kind of vision signal display processing device structural representation disclosed in the embodiment of the present invention, Fig. 4 is vision signal display processing device structure flow chart disclosed in the embodiment of the present invention, shown in Fig. 3 and Fig. 4, described video signal displaying apparatus 30 can comprise:
Video processor 301, for mailing to microprocessor and change-over switch by the vision signal through its process simultaneously.
Vision signal through video processor process can be mail to microprocessor and change-over switch by described video processor 301 side by side.In the present embodiment, described change-over switch has two input ends, and these two input ends are connected with described microprocessor and described video processor respectively.Described change-over switch can't carry out any process to vision signal, and at one time, described change-over switch can only connect an equipment, i.e. microprocessor or video processor.Described change-over switch can be the single-pole double-throw switch (SPDT) with control circuit, also can be can control self and distinct device conducting, to receive the switching chip of different video signal according to steering order.
Microprocessor 302, carries out Graphics Processing for the Quality estimation according to vision signal the need of to vision signal, and switches different vision signal conductings to display screen according to judged result control change-over switch.
Microprocessor judges vision signal can have two the need of the condition through Graphics Processing, one is that the quality of current vision signal is greater than preset standard, like this, even if carry out Graphics Processing to current video signal, the quality of the vision signal after Graphics Processing also can not be too poor, can meet user's requirement; Another condition is that current vision signal needs superposition, certainly, which signal demand superposition, which does not need superposition, these can be configured in the internal memory of described microprocessor by developer in advance, such as, specify that the vision signal of YUV classification and RGB classification needs superposition in advance by configuration parameter, the vision signal of other classifications does not need superposition.
If described microprocessor 302 judges that current video signal needs to carry out Graphics Processing, then can, to described change-over switch sending controling instruction, described change-over switch be indicated to need the data channel conducting with self; If judge that current video signal does not need to carry out Graphics Processing, then to described change-over switch sending controling instruction, the direct conducting of the data channel of described change-over switch and video processor can be indicated.
Change-over switch 303, for control according to described microprocessor-based control instruction with described microprocessor conducting or with described video processor conducting.
In the present embodiment, vision signal through video processor process is mail to microprocessor and change-over switch by described vision signal display processing device simultaneously, by microprocessor judges current video signal the need of through Graphics Processing, therefore the vision signal bad to video signal quality Graphics Processing can not carried out, and then control change-over switch and video processor conducting, vision signal after the process of direct receiver, video processor also transfers to display screen, thus effectively prevent the bad vision signal of video signal quality in the loss of signal through Graphics Processing, ensure that the signal quality of the vision signal of Vehicular display device to a certain extent, ensure that Consumer's Experience sense satisfaction.
Also it should be noted that, in this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
The software module that the method described in conjunction with embodiment disclosed herein or the step of algorithm can directly use hardware, processor to perform, or the combination of the two is implemented.Software module can be placed in the storage medium of other form any known in random access memory (RAM), internal memory, ROM (read-only memory) (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a vision signal display processing method, is characterized in that, be applied in Vehicular display device, the method specifically comprises:
Vision signal through its process is mail to microprocessor and change-over switch by video processor simultaneously; Wherein, the input end of described change-over switch is connected with described microprocessor and described video processor respectively;
Described microprocessor judges current video signal is the need of through Graphics Processing;
If so, then described microprocessor carries out Graphics Processing to described vision signal and controls described change-over switch and self conducting, and the vision signal through Graphics Processing is sent to described change-over switch;
If not, then change-over switch described in described Microprocessor S3C44B0X and described video processor conducting; Described change-over switch receives the vision signal that sent by described video processor and is transferred to display screen;
Wherein, describedly the condition through Graphics Processing is needed to comprise: the quality of described current video signal is greater than preset standard, or described current video signal needs overlap-add procedure.
2. method according to claim 1, is characterized in that, described change-over switch is the single-pole double-throw switch (SPDT) with control circuit.
3. method according to claim 1, is characterized in that, described change-over switch is for controlling self and distinct device conducting, to receive the switching chip of different video signal according to steering order.
4. method according to claim 1, is characterized in that, described microprocessor carries out Graphics Processing to described vision signal, comprising:
Described microprocessor carries out overlap-add procedure to described vision signal or described microprocessor carries out editing and processing to the vision signal of quality more than preset standard.
5. method according to claim 4, is characterized in that, the vision signal of described quality more than preset standard comprises YUV signal and rgb signal.
6. method according to claim 1, is characterized in that, described microprocessor is embedded microprocessor.
7. a vision signal display processing device, is characterized in that, is applied in Vehicular display device, and this equipment specifically comprises:
Video processor, for mailing to microprocessor and change-over switch by the vision signal through its process simultaneously;
Microprocessor, carries out Graphics Processing for the Quality estimation according to vision signal the need of to vision signal, and switches different vision signal conductings to display screen according to judged result control change-over switch;
Change-over switch, for control according to described microprocessor-based control instruction with described microprocessor conducting or with described video processor conducting;
Wherein, the described condition of vision signal being carried out to Graphics Processing that needs comprises: the quality of described vision signal is greater than preset standard, or described vision signal needs overlap-add procedure.
8. equipment according to claim 7, is characterized in that, described change-over switch is the single-pole double-throw switch (SPDT) with control circuit.
9. equipment according to claim 7, is characterized in that, described change-over switch is for controlling self and distinct device conducting, to receive the switching chip of different video signal according to steering order.
10. equipment according to claim 7, is characterized in that, described microprocessor is embedded microprocessor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310141886.7A CN103218987B (en) | 2013-04-23 | 2013-04-23 | Method and device for conducting display processing on video signal |
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| CN201310141886.7A CN103218987B (en) | 2013-04-23 | 2013-04-23 | Method and device for conducting display processing on video signal |
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| CN103218987B true CN103218987B (en) | 2015-07-08 |
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| CN1050274A (en) * | 1990-11-08 | 1991-03-27 | 北京市海淀区开隆科学仪器设备研究所 | Has image device straight-through and the Computer Processing translation function |
| JP2002010165A (en) * | 2000-06-26 | 2002-01-11 | Sony Corp | Multiscreen display and method therefor |
| KR100446847B1 (en) * | 2002-02-28 | 2004-09-04 | 주식회사 에이디칩스 | An Apparatus and Method for time controlling and monitoring PC display |
| CN101458922A (en) * | 2007-12-14 | 2009-06-17 | 佳世达科技股份有限公司 | Display system for display information processing and related method thereof |
| CN101526842A (en) * | 2008-03-04 | 2009-09-09 | 华邦电子股份有限公司 | Calculating device using auxiliary display controller and method |
| JP2012078931A (en) * | 2010-09-30 | 2012-04-19 | Sony Corp | Display controller, information processing apparatus, and display method |
| KR20130006167A (en) * | 2011-07-08 | 2013-01-16 | 삼성전자주식회사 | Image display apparatus and method for controlling the image display apparatus |
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