CN103853515A - Electronic device and processing method for displayed data thereof - Google Patents
Electronic device and processing method for displayed data thereof Download PDFInfo
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- CN103853515A CN103853515A CN201210517957.4A CN201210517957A CN103853515A CN 103853515 A CN103853515 A CN 103853515A CN 201210517957 A CN201210517957 A CN 201210517957A CN 103853515 A CN103853515 A CN 103853515A
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Abstract
The invention provides an electronic device and a processing method for displayed data thereof. The electronic device is used for supplying the displayed data to a display device and comprises a graphical processing module, a signal converter and a selector, wherein the graphical processing module is used for generating first displayed data with a first format according to original data; the signal converter is used for reducing the first displayed data into the original data; the selector is used for selectively supplying the first displayed data to the display device or the signal converter according to a selection signal; when the graphical processing module receives the original data from the signal converter, second displayed data with a second format are supplied to the display device; the first format and the second format are compatible with different interface specifications. The electronic device can improve the encoding efficiency of an extracted image, so that an effect of improving the frame rate can be achieved.
Description
Technical field
The present invention relates to a kind of electronic installation and show the disposal route of data, relate in particular to a kind of can be in order to the electronic installation that shows data to display device and the disposal route that shows data thereof to be provided.
Background technology
Generally speaking, video data shows as VGA/HDMI etc. is sent to display device by video display interface.In recent years, flourish along with the lifting of various transport interface technology and wireless network application, the demand of wireless image-sound transmission also grows with each passing day, and makes video data also can be sent to display device by various communication interfaces and shows.Generally can from picture buffer (frame buffer), go to extract the raw data (raw data) of current screen display by the display packing at for example WIFI interface of communication interface or USB interface.But, the frequency range that may exceed communication interface due to the raw data size of extracting limits, the frequency range of communication interface cannot be loaded, therefore can first utilize CPU (central processing unit) (CPU) to carry out an Image Coding operation, and then number of compressed images meet the frequency range requirement of communication interface according to this.Process and all operate by CPU (central processing unit) because image extracts with coding, cause system resource to be accounted for by it, if now again carry out play some high image quality film (for example 1080P film) or some are compared with the software in cost source, slow by what cause system to be carried out, thereby have influence on the execution efficiency that image extracts and coding is processed, and then have influence on by the picture frame rate (frame rate) of the display packing at for example WIFI interface of communication interface or USB interface.
In addition, with the usefulness of current Wireless Display (wireless display), owing to being limited to, image extracts and the impact of the factor such as frequency range and transmission channel quality of wireless transmission, make quality and the speed of viewing and admiring, cannot match with the result of broadcast of playing as VGA/HDMI interface by image display interfaces all the time.
Therefore, need a kind of method and electronic installation that promotes image extraction efficiency and picture frame rate.
Summary of the invention
In view of this,, in order to overcome the defect of prior art, the invention provides a kind of in order to the electronic installation that shows data to display device and the disposal route that shows data thereof to be provided, to solve the above problems.
The embodiment of the present invention provides a kind of electronic installation, shows data to display device in order to provide, and it comprises a pattern process module, a signal converter and a selector switch.Pattern process module, in order to according to a raw data, produces one first of one first form and shows data.Signal converter is in order to be reduced to raw data by the first demonstration data.Selector switch, in order to according to a selection signal, optionally provides the first demonstration data to display device or signal converter.Wherein, in the time that pattern process module receives the raw data from signal converter, provide one second of one second form to show that data are to display device, wherein the first form and the second form are compatible to different interface specification.
The embodiment of the present invention separately provides a kind of disposal route that shows data, is applicable to an electronic installation, shows data to display device in order to provide, and wherein electronic installation at least comprises a pattern process module, a selector switch and a signal converter.Method comprises the following steps.First, pattern process module, according to a raw data, produces one first of one first form and shows data.Then, selector switch is selected signal according to one, optionally the first demonstration data is provided to display device or signal converter.In the time that pattern process module receives the raw data from signal converter, provide one second of one second form to show that data are to display device, wherein the first form and the second form are compatible to different interface specification.
The embodiment of the present invention separately provides a kind of disposal route that shows data, shows data to the first display device or one second display device in order to provide.Comprise the following steps.First,, according to a raw data, produce one first of one first form and show data.Then,, according to a selection signal, determine to be shown in the first display device or the second display device.In the time determining to be shown in the first display device, the first demonstration data are provided to the first display device.In the time determining to be shown in the second display device, by a signal converter, the first demonstration data are reverted back to raw data, pass through a pattern process module, according to the raw data of reduction, produce this second demonstration data to the second display device that one second of one second form shows data and the second form is provided, wherein the first form and the second form are compatible to different interface specification.
Said method of the present invention can exist by procedure code mode.In the time that procedure code is written into and carries out by machine, machine becomes to carry out device of the present invention.
The present invention can reduce the burden of electronic installation and CPU (central processing unit) (CPU), significantly reduce the dependence to processing unit, make the impact of its resource that is not vulnerable to CPU (central processing unit) and cause picture frame rate (framerate) unstable, therefore can promote the code efficiency after image extracts, and then reach the effect that promotes picture frame rate.
For above and other object of the present invention, feature and advantage can be become apparent, cited below particularly go out preferred embodiment, and coordinate accompanying drawing, be described in detail below.
Accompanying drawing explanation
Fig. 1 is the schematic diagram showing according to the display system of the embodiment of the present invention.
Fig. 2 is the process flow diagram that shows the disposal route of the demonstration data according to the embodiment of the present invention.
Fig. 3 is the schematic diagram showing according to the display system of another embodiment of the present invention.
Fig. 4 is the process flow diagram of demonstration according to the disposal route of the demonstration data of another embodiment of the present invention.
Wherein, description of reference numerals is as follows:
10,10 ' ~ display system; 100,100 ' ~ electronic installation;
110 ~ picture buffer; 120 ~ CPU (central processing unit);
130 ~ pattern process module; 132 ~ Graphics Processing Unit;
134 ~ interface module; 136 ~ impact damper;
142 ~ selector switch; 144 ~ signal converter;
150 ~ the first interfaces; 160 ~ second contact surface;
200 ~ display device; 210 ~ the first display device;
220 ~ the second display device; S202-S214 ~ step;
S402-S414 ~ step.
Embodiment
Fig. 1 shows the schematic diagram according to the display system of the embodiment of the present invention.As shown in Figure 1, at least one electronic installation 100 of display system 10 and a display device 200, wherein, electronic installation 100 is coupled to display device 200, shows that in order to provide data are to display device 200.For instance, electronic installation 100 can comprise that PC and mancarried device are as personal digital assistant, smart mobile phone, mobile phone, mobile Internet access device (Mobile Internet Device, MID), notebook computer or mini notebook computer (Netbook) etc., but be not limited to this.Display device 200 can be the built-in or external-connection displayer of aforementioned electronic, for example liquid crystal display, TV screen etc., but be not limited to this.Electronic installation 100 can comprise a picture buffer (frame buffer) 110, a CPU (central processing unit) (Central Processing Unit is called for short CPU) 120, a pattern process module 130, a selector switch 142, a signal converter 144, one first interface 150 and a second contact surface 160.Picture buffer 110 is coupled to CPU (central processing unit) 120 and pattern process module 130.Clear and definite, picture buffer 110 can be coupled to CPU (central processing unit) 120 and pattern process module 130 by a system bus of electronic installation 100 inside, makes CPU (central processing unit) 120 and the Graphics Processing Unit 130 can be via the data of storing in system bus access picture buffer 110.Pattern process module 130 can utilize the raw data (the demonstration data of screen at present) in picture buffer 110 and drawing command or the parameter of sending from CPU (central processing unit) 120, carries out the first demonstration data that a drawing performance can show to utilize raw data (raw data) to produce in display device 200.Wherein, the first form is compatible to the interface specification at the first interface 150.For instance, the first interface 150 can be an image display interfaces, it comprises Video Graphics Array (Video Graphics Array, be called for short VGA) interface, digital video interface (Digital Visual Interface, be called for short DVI interface), high picture quantity multimedia interface (High Definition Multimedia Interface, be called for short HDMI interface), wherein at least one or its combination of TV output (TV-OUT) interface or display port (Display Port), but be not limited to this.
In the time selecting signal corresponding to second contact surface 160, because the interface specification of second contact surface 160 is different from the interface specification at the first interface 150, the first demonstration data need to be further processed, therefore, selector switch 142 just provides to signal converter 144 the first demonstration data to be further processed.
After the first demonstration data that receive from selector switch 142, signal converter 144 can be carried out a signal conversion operations with by the first demonstration data-switching/be reduced to raw data, and after signal conversion operations completes, export the raw data of reduction to pattern process module 130.In some embodiment, pattern process module 130 can also comprise an impact damper 136, in order to store received raw data.In the time that pattern process module 130 receives the raw data from signal converter 144, pattern process module 130 can produce second of one second form according to raw data and shows data and provide the second demonstration data to display device 200.Wherein, the second form is compatible to the interface specification of second contact surface 160.For instance, second contact surface 160 can be a communication interface, and it can comprise for example USB of wired communication interface or SATA interface, and wireless communication interface for example WIFI, IEEE802.11 interface or bluetooth interface etc., but is not limited to this.
Fig. 2 shows the process flow diagram according to the disposal route of the demonstration data of one embodiment of the invention.Referring to Fig. 1 and Fig. 2.Disposal route according to the demonstration data of the embodiment of the present invention can be applied on the electronic installation 100 of display system 10, in order to showing that data select the specified interface of signal to be sent in display device 200 according to one and show.
First,, as step S202, pattern process module 130 produces first of one first form according to raw data and shows data.In the present embodiment, the data of the first form are compatible to the data of the interface specification at the first interface 150.In an embodiment, the first interface 150 can be image display interfaces, it comprises wherein at least one or its combination of Video Graphics Array (VGA) interface, digital video interface (DVI interface), high picture quantity multimedia interface (HDMI interface), TV output (TV-OUT) interface or display port (Display Port), but is not limited to this.For instance, if when the first interface 150 is digital video interface, the raw data (the demonstration data of screen at present) that Graphics Processing Unit 132 in pattern process module 130 is taken out basis from picture buffer 110, generation is compatible to the first demonstration data of the interface specification at digital video interface, therefore, can in after the first demonstration data are transmitted by digital video interface.
Then,, as step S204, selector switch 142 receives and according to selecting signal, judges whether selected demonstration is the first interface 150 with interface.In an embodiment, the first interface 150 is an image display interfaces, and therefore for example VGA/DVI/HDMI interface, judges whether selected demonstration is that the first interface 150 judges whether selected demonstration is an image display interfaces with interface with interface.If so, as step S206, because electronic installation 100 is coupled to display device 200 by the first interface 150, therefore, selector switch 142 can directly provide the first demonstration data to display device 200 by the first interface 150.In this step, do not need extra conversion operations.
For example, otherwise if judge, selected demonstration is non-during as an image display interfaces (step S204's is no) with interface, represents that selected demonstration is second contact surface 160 (a WIFI interface) with interface, therefore needs further processing.So as step S208, the first demonstration data are sent to signal converter 144 by selector switch 142.After receiving the first demonstration data, as step S210, signal converter 144 is carried out a signal conversion operations, by the first demonstration data-switching/be reduced to raw data, and by raw data transmission/export to pattern process module 130.Specifically, original video data will be stored in the impact damper 136 of pattern process module 130.Then,, as step S212, pattern process module 130 is to show data corresponding to second of the second form of the interface specification of second contact surface 160 by raw data recompile.Wherein the first form and the second form are compatible to different interface specification.In an embodiment, second contact surface 160 can be for example USB of wire communication interface or a SATA interface, and wireless communication interface for example WIFI, IEEE802.11 interface or bluetooth interface etc., but is not limited to this.For instance, if when second contact surface 160 is USB or WIFI interface, second shows that data are to be compatible to the data that the frequency range of the interface specification at USB or WIFI interface requires, therefore, can in after the second demonstration data are transmitted by USB or WIFI interface.
In second showing after data of producing the second form, as step S214, pattern process module 130 can be via interface module 134, shows data transmission/export display device 200 to show by second contact surface 160 by second of the second form.
In some embodiment, display system can comprise more than one display device, and the present invention also provides and can, according to selecting signal, data be provided in to the disposal route of the demonstration data that show in the display device of appointment.
Fig. 3 shows the schematic diagram according to the display system of another embodiment of the present invention.The display system 10 ' of Fig. 3 is similar to the display system of Fig. 1 10, and difference is that the selector switch 142 of electronic installation 100 ' in display system 10 ' is coupled to one first display device 210 by the first interface 150 and pattern process module 130 is coupled to one second display device 220 by second contact surface 160.In the present embodiment, user can produce and select signal to select data to be shown in to the first display device 210 or the second display device 220.
Fig. 4 shows the process flow diagram according to the disposal route of the demonstration data of another embodiment of the present invention.Referring to Fig. 3 and Fig. 4.The electronic installation 100 ' that can be applied to Fig. 3 according to the disposal route of the demonstration data of the embodiment of the present invention is upper, in order to select the specified display device of signal according to one, provides and shows that data show to the display device of specifying.
First,, as step S402, pattern process module 130, according to a raw data, produces one first of one first form and shows data.Wherein, the first form is compatible to the Interface Standard at the first interface.In an embodiment, the first interface 150 can be image display interfaces 150, it comprises wherein at least one or its combination of Video Graphics Array (VGA) interface, digital video interface (DVI interface), high picture quantity multimedia interface (HDMI interface), TV output (TV-OUT) interface or display port (Display Port), but is not limited to this.For instance, if when the first interface 150 is high picture quantity multimedia interface, the raw data (the demonstration data of screen at present) that Graphics Processing Unit 132 in pattern process module 130 is taken out basis from picture buffer 110, generation is compatible to the first demonstration data of the interface specification at high picture quantity multimedia interface, therefore, can in after the first demonstration data are transmitted by high picture quantity multimedia interface.
Then, selector switch 142 receives a selection signal (step S404), and according to selecting signal, determines whether raw data will be shown in to the first display device 210 (step S406).In this step, electronic installation 100 can provide an application program, and user can produce a selection signal by this application program, in order to specify original video to show that data will be shown in the first display device 210 or the second display device 220.
In the time determining to be shown in the first display device 210 (step S406 is), because electronic installation 100 ' is coupled to the first display device 210 by the first interface 150, therefore, selector switch 142 directly provides the first demonstration data to the first display device 210 (step S408) by the first interface 150.
In the time determining to be shown in the second display device 220 (step S406's is no), because electronic installation 100 ' is coupled to the second display device 220 by second contact surface 160, therefore first of the first form originally producing must be shown to data are converted to the second demonstration data of the second form of the interface specification that is compatible to second contact surface 160.So, the first demonstration data are sent to signal converter 144 (step S410) by selector switch 142, then by signal converter 144, the first demonstration data are first reverted back to raw data, pass through pattern process module 130, according to the raw data of reduction, produce one second of one second form and show data (step S412).Wherein the first form and the second form are compatible to different interface specification.In an embodiment, second contact surface 160 can be for example USB of wire communication interface or a SATA interface, and wireless communication interface for example WIFI, IEEE802.11 interface or bluetooth interface etc., but is not limited to this.For instance, if when second contact surface 160 is USB or WIFI interface, second shows that data are to be compatible to the data that the frequency range of the interface specification at USB or WIFI interface requires, therefore, can in after the second demonstration data are transmitted by USB or WIFI interface.After producing the second demonstration data of the second form, pattern process module 130 provides second of the second form to show data to the second display device 220 (step S414) by second contact surface 160.Therefore, second shows that data will be shown in the second display device 220.
Similarly, in some embodiment, as shown in Figure 3, pattern process module 130 can be coupled to the first display device 210 and the second display device 220 by second contact surface 160 simultaneously, and therefore user can produce and select signal to select data to be shown in to the first display device 210 and/or the second display device 220 by second contact surface 160.
Therefore, according to the disposal route of demonstration data of the present invention and relevant electronic installation thereof, be used in the mode of the newly-increased selector switch of original display framework and signal converter, carry out under usefulness not affecting processing unit and display system, can make to connect as the demonstration at WIFI interface/USB interface reaches stable and picture frame number by communication interface the demonstration at the interfaces such as such as VGA/HDMI/DVI of image display interfaces.In addition, do image extraction and Image Coding operation according to the disposal route of demonstration data of the present invention and relevant electronic installation thereof by the hardware-accelerated ability of part of Graphics Processing Unit (GPU), do not need to recycle CPU (central processing unit) and do that image extracts and the operation of Image Coding more, can reduce the burden of electronic installation and CPU (central processing unit) (CPU), significantly reduce the dependence to processing unit, make the impact of its resource that is not vulnerable to CPU (central processing unit) and cause picture frame rate (frame rate) unstable, therefore can promote the code efficiency after image extracts, and then reach the effect that promotes picture frame rate.
Method of the present invention, or specific modality or its part, can exist with the form of procedure code.Procedure code can be contained in tangible media, as floppy disk, disc, hard disk or any other machine readable are got (as readable in computer) medium, also or be not limited to the computer program product of external form, wherein, when procedure code is by machine, when being written into and carrying out as computer, this machine becomes to participate in device of the present invention.Procedure code also can pass through some transfer mediums, and as electric wire or cable, optical fiber or any transmission form transmit, wherein, when procedure code is by machine, when receiving, be written into and carry out as computer, this machine becomes to participate in device of the present invention.When in general service processing unit implementation, procedure code provides a class of operation to be similar to the unique apparatus of application particular logic circuit in conjunction with processing unit.
Although the present invention discloses as above with preferred embodiment; so it is not in order to limit the present invention; any those of ordinary skills; without departing from the spirit and scope of the present invention; when doing a little change and retouching, the scope that therefore protection scope of the present invention ought define depending on appended claim is as the criterion.
Claims (10)
1. an electronic installation, shows data to display device in order to provide, and comprising:
One pattern process module, in order to according to a raw data, produces one first of one first form and shows data;
One signal converter, in order to be reduced to this raw data by these the first demonstration data; And
One selector switch, in order to according to a selection signal, optionally provides these the first demonstration data to this display device or this signal converter;
Wherein, in the time that this pattern process module receives this raw data from this signal converter, provide one second of one second form to show that data are to this display device;
Wherein this first form and this second form are compatible to different interface specification.
2. electronic installation as claimed in claim 1, wherein this pattern process module comprises:
One Graphics Processing Unit, in order to according to this raw data from this signal converter, produces these the second demonstration data of this second form; And
One interface module, is coupled to this Graphics Processing Unit, provides to this display device in order to these the second demonstration data that this Graphics Processing Unit is produced.
3. electronic installation as claimed in claim 2, wherein this pattern process module also comprises an impact damper, in order to store this raw data and this second demonstration data.
4. electronic installation as claimed in claim 1, also comprise one first interface and a second contact surface, wherein this first form is compatible to the interface specification at this first interface, and this second form is compatible to wherein at least one or its combination that the interface specification of this second contact surface and this first interface comprise Video Graphics Array interface, digital video interface, high picture quantity multimedia interface, TV output interface or display port.
5. electronic installation as claimed in claim 4, wherein this second contact surface comprises that a wire communication interface/wireless communication interface and this wire communication interface comprise a USB interface.
6. electronic installation as claimed in claim 4, wherein this selector switch is in this selection signal during corresponding to this first interface, directly these the first demonstration data are provided to this display device by this first interface, and in this selection signal during corresponding to this second contact surface, this first is shown to data provide to this signal converter.
7. show a disposal route for data, be applicable to an electronic installation, show data to display device in order to provide, wherein this electronic installation at least comprises a pattern process module, a selector switch and a signal converter, and the method comprises the following steps:
This pattern process module, according to a raw data, produces one first of one first form and shows data;
This selector switch is selected signal according to one, optionally these the first demonstration data is provided to this display device or this signal converter; And
In the time that this pattern process module receives this raw data from this signal converter, provide one second of one second form to show that data are to this display device;
Wherein this first form and this second form are compatible to different interface specification.
8. the disposal route of demonstration data as claimed in claim 7, wherein this electronic installation also comprises one first interface and a second contact surface, wherein this first form is compatible to the interface specification at this first interface, and this second form is compatible to wherein at least one or its combination that the interface specification of this second contact surface and this first interface comprise Video Graphics Array interface, digital video interface, high picture quantity multimedia interface, TV output interface or display port.
9. the disposal route of demonstration data as claimed in claim 8, wherein this selector switch is according to this selection signal, optionally this first shown to data provide to the step of this display device or this signal converter and comprises:
When this selection signal is during corresponding to this first interface, directly this first is shown to data provide to this display device by this first interface; And
When this selection signal is during corresponding to this second contact surface, this first is shown to data provide to this signal converter.
10. show a disposal route for data, show data to the first display device or one second display device in order to provide, comprise the following steps:
According to a raw data, produce one first of one first form and show data;
According to a selection signal, determine to be shown in this first display device or this second display device;
In the time determining to be shown in this first display device, these the first demonstration data are provided to this first display device; And
In the time determining to be shown in this second display device, by a signal converter, these the first demonstration data are reverted back to this raw data, pass through a pattern process module, according to this raw data of reduction, produce one second of one second form and show data and provide these the second demonstration data of this second form to this second display device;
Wherein this first form and this second form are compatible to different interface specification.
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