CN104424910B - Image processing apparatus, picture processing chip and image processing method - Google Patents
Image processing apparatus, picture processing chip and image processing method Download PDFInfo
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- CN104424910B CN104424910B CN201310373225.7A CN201310373225A CN104424910B CN 104424910 B CN104424910 B CN 104424910B CN 201310373225 A CN201310373225 A CN 201310373225A CN 104424910 B CN104424910 B CN 104424910B
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Abstract
The invention discloses a kind of image processing apparatus, for processing a signal of video signal, comprising:One circuit board;One slot, is arranged on the circuit board, the insertion of one of one second joint of one second image interface form of one first joint and correspondence for one first image interface form of correspondence;And an image processing module, it is arranged on the circuit board and is coupled to the slot, for detecting the signal of video signal from the input of one of first joint and second joint to determine a target image interface format, and with to should the image processing method of target image interface format process the signal of video signal.
Description
Technical field
The present invention be on image processing apparatus, chip and method, especially with respect to can Auto-Sensing signal of video signal and
Image processing apparatus, chip and the method for the signal of video signal are processed with corresponding image processing method.
Background of invention
Presently commercially available TV or display mostly support the signal of video signal of various image interface forms, for example, high image quality
Multimedia interface(High-Definition Multimedia Interface,HDMI)Form, Displayport interface formats
And mobile high image quality link(Mobile High-Definition Link,MHL)Interface format etc..High picture quantity multimedia connects
The joint of mouth form has various patterns(type), most common pattern A(type A)With 19 pins(pin);
The joint of Displayport interface formats has 20 pins;And the joint two ends of mobile high image quality link interface form are different, even
Connect mobile device end usually micro USB(micro USB)The other end of joint, connection TV or display is then usually high picture
The joint of matter multimedia interface form.Although mobile high image quality link interface form is connect using micro USB with high picture quantity multimedia
The joint of mouth form, but there is the Signal coding and transmission means of oneself uniqueness.
When TV or display support the signal of video signal of various image interface forms, phase is just provided with TV or display
Corresponding slot(slot)Or interface(port);Such as TV or display support high picture quantity multimedia interface form and
The signal of video signal of Displayport interface formats, then be just provided with two slots on the body of TV or display, one is correspondence
The slot of high picture quantity multimedia interface form, another is the slot of correspondence Displayport interface formats, and each slot draws
The number of pins of the corresponding joint of pin number is identical, and the slot for for example corresponding to high picture quantity multimedia interface form has 19 pins
(For most common type A), the slot of correspondence Displayport interface formats has 20 pins.User is necessary when using
By the connecting interface of signal connecting line(That is, joint)Corresponding slot is inserted, then is selected from the operate interface of TV or display
Take correct signal source, the image processing apparatus or picture processing chip of TV or display can just use corresponding image
Processing method processes signal of video signal.Therefore, in order to support various image interface forms, the circuit board in TV or display must
Multiple slots must be provided with, cause circuit board to complicate increases with wiring cost;User must also insert joint when in use
Correct slot, and correct signal source is chosen, TV or display can just show correct content.More than shortcoming be
Manufacturer and user make troubles and puzzlement.
The content of the invention
In view of the deficiency of prior art, a purpose of the invention is to provide a kind of image processing apparatus, image procossing core
Piece and image processing method, to solve the problems, such as prior art.
The invention discloses a kind of image processing apparatus, for processing a signal of video signal, comprising a circuit board;One slot, if
It is placed on the circuit board, the one second image interface form of one first joint and correspondence for one first image interface form of correspondence
The insertion of one of one second joint;And an image processing module, the slot is arranged on the circuit board and is coupled to, for detecing
The signal of video signal from the input of one of first joint and second joint is surveyed to determine a target image interface format, and
With to should the image processing method of target image interface format process the signal of video signal.
The present invention separately discloses a kind of picture processing chip, for processing a signal of video signal and comprising multiple pins, the figure
The signal of video signal is detected as process chip to determine a target image interface format, and with to should target image interface format
Image processing method process the signal of video signal, wherein an at least pin of those pins be one first image interface form and
One second image interface form is shared.
The present invention discloses a kind of image processing method simultaneously, for processing a signal of video signal, comprising:Received via an image
The interface signal of video signal, wherein the image receiving interface have multiple pins, and at least one pin is one first image
Interface format and one second image interface form are shared;The signal of video signal is detected to determine a target image interface format;With
And with to should the image processing method of target image interface format process the signal of video signal.
The present invention provides a single slot on circuit boards, or is connect with a single image on chip
Mouthful receive the signal of video signal of different images interface format, can so improve must use in known technology two slots or
It is the shortcoming caused by two image receiving interfaces, such as circuit connection is more complicated, circuit board size is larger, chip
Number of pins is more and causes size larger etc., additionally, less slot can make the signal receiving panel of TV or display more
Succinctly, user is also becoming more convenient using upper.
Feature for the present invention, implementation and effect, now coordinate accompanying drawing to make preferred embodiment detailed description as follows.
Brief description of the drawings
Fig. 1 is the schematic diagram of an embodiment of image processing apparatus of the invention;
Fig. 2 is the flow chart of an embodiment of the image interface form of detecting image signal of the invention;
Fig. 3 is the pin corresponding diagram of a preferred embodiment of image processing apparatus of the invention;And
Fig. 4 is the schematic diagram of another embodiment of image processing apparatus of the invention.
Specific embodiment
The technical terms of following description is the idiom with reference to the art, and such as this specification is to part term
It is illustrated or defines, the explanation of the part term is defined by the explanation of this specification or definition.
Fig. 1 is referred to, it is the schematic diagram of an embodiment of image processing apparatus of the invention.Image processing apparatus 100
Comprising circuit board 110, slot 120 and image processing module 130.Slot 120 is arranged on circuit board 110, and and image
Processing module 130 is coupled.Slot 120 can allow the joint 140 and 150 of correspondence different images interface format to insert, such as joint
140 can be the joint of high picture quantity multimedia interface form, and joint 150 can be the joint of Displayport interface formats.Figure
As processing module 130 can be picture processing chip, such as image-zooming control(scalar)Chip.Signal of video signal is via slot
Wire and multiple pins 136 between 120 and image processing module 130(Comprising pin 136a)Transmit to image procossing mould
Block 130, wherein those pins 136 for being used for receiving signal of video signal may be constructed the image receiving interface of image processing module 130
135。
Substantially multiple pins of slot 120 are presented man-to-man connection with multiple pins 136 of image processing module 130
Relation, wherein, pin 125 is connected to pin 136a.The pin of slot 120 can be contained in two image receiving interfaces 145
And 155, and pin 125 shared by image receiving interface 145 and 155.More particularly, the correspondence of joint 140 image connects
Mouth 145, the corresponding image receiving interface 155 of joint 150, so pin 125 is also shared by joint 140 and 150.Similarly, in image
The one end of processing module 130, pin 136a is also shared pins, and as shown in the example in figure, joint 140 is that high picture quantity multimedia connects
The joint of mouth form, joint 150 is the joint of Displayport interface formats, so pin 136a and 125 is also just by this two
Image interface form is shared.Pin 136a and 125 can be one or more several, that is to say, that image receiving interface 145 and 155 can
Share more than one pin.
The detecting image signal of image processing module 130 determines the image interface form of signal of video signal, and according to image
The image interface form of signal takes corresponding image processing method to process the signal of video signal.For example, if at image
Reason module 130 determines that the image interface form of signal of video signal is high picture quantity multimedia interface form, then many using correspondence high image quality
The image processing method of media interface form processes signal of video signal;Similarly, similar way can extend to Displayport
Interface format and mobile high image quality link interface form.Wherein move high image quality link interface form more special, although its
By the use of high picture quantity multimedia interface as link interface physically, but its signal of video signal for being transmitted is actually mobile picture high
Matter link interface form, so image processing module 130 must be selected at the image of the mobile high image quality link interface form of correspondence
Reason method could correctly show the content of signal of video signal.
According to the specification of high picture quantity multimedia interface form, the joint for meeting the interface format its 18th pin can be carried
For+5V voltage as voltage source;In the present embodiment, the voltage of+5V can be input into image processing apparatus 100, or brighter
True is said, the wire that the voltage of+5V can be passed through between slot 120 and image processing module 130 is input into image processing module
130.Relative, Displayport interface formats do not provide the voltage of+5V as voltage source.One embodiment of the invention is profit
With the characteristic of the pin as high picture quantity multimedia interface form judgment standard.That is, when image processing module 130 is detectd
Measure signal of video signal and be provided with the burning voltage of+5V as voltage source corresponding to the pin, you can connect the image of signal of video signal
Mouth form is defined as high picture quantity multimedia interface form;And if do not detected, then it represents that the image interface form of signal of video signal
It is likely to be Displayport interface formats or mobile high image quality link interface form.Now, if TV or display
The one of which of Displayport interface formats and mobile high image quality link interface form is supported, then can directly determine shadow
As the image interface form of signal.And if two kinds of forms support simultaneously more than, then must there is further method for detecting to come area
Divide Displayport interface formats with mobile high image quality link interface form.Can be in image processing apparatus or figure in implementation
As processing module set a circuit for detecting come detect slot 120 or image receiving interface 135 certain low reference pin whether
It is high voltage level or low voltage level, for example, detects second pin(Cable is detected(cable detection)Pin)Whether
With high voltage level or low voltage level.This kind of circuit for detecting by be familiar with the technology person energy apparent, therefore do not repeat,
And illustrate operational scenario of the invention so that reference voltage level is as high voltage level as an example below.If high voltage is accurate
Position, the interface format of signal of video signal is determined as moving high image quality link interface form;If it is not, then signal of video signal connects
Mouth form is determined as Displayport interface formats.
Fig. 2 is referred to, it is the flow chart of an embodiment of the image interface form of detecting image signal of the invention.It is first
Whether first detecting image signal is provided with burning voltage as voltage source in an acquiescence pin(Step S210), if it has, then
Determine the form that image interface form is high picture quantity multimedia interface(Step S230), image processing apparatus or image processing module
Take the image processing method treatment signal of video signal of correspondence high picture quantity multimedia interface form.If step S210 is not detected
Signal of video signal is provided with burning voltage as voltage source, then further whether the voltage quasi position of detecting low reference pin is accurate high voltage
Position(Step S220).If it is, determining that interface format is mobile high image quality link interface form(Step S240), image procossing
Device or image processing module take the image processing method treatment signal of video signal of the mobile high image quality link interface form of correspondence;Such as
It is not really, it is determined that interface format is Displayport interface formats(Step S250), image processing apparatus or image procossing mould
Block takes the image processing method treatment signal of video signal of correspondence Displayport interface formats.
The preceding paragraph illustrates that TV or display support three kinds of situations of interface format, if only supporting two kinds of interface formats,
One of which is high picture quantity multimedia interface form, and another kind is that Displayport interface formats or mobile high image quality connect
Mouthful form, then after step S210 terminates by learn the interface format of signal of video signal;Another situation is, TV or display branch
Two kinds of interface formats are held, one kind is Displayport interface formats, and another kind is mobile high image quality link interface form, then Fig. 2
Detecting flow process start after directly perform step S220, and skip over step S210.
Fig. 3 is referred to, it is the pin corresponding diagram of a preferred embodiment of image processing apparatus of the invention.Left half in figure
The form on side represents the pin corresponding table of high picture quantity multimedia interface form or Displayport interface formats, and pin can be
The pin of slot 120 in Fig. 1.Image processing module 310 has 20 pins in this embodiment, represents slot corresponding to it
Pin also has 20.Image processing module 310 can be picture processing chip, for example image-zooming control chip.Can by form
Know, high picture quantity multimedia interface form have shared the 1st~19 pin with Displayport interface formats.Pin so altogether
Only need to 20, and known two slots need 39 when not having shared any pin(19+20)Individual pin, can save altogether in comparison
19 pins, therefore the area and cost of wiring on circuit board is greatly decreased.In another preferred embodiment, pin 14
With 20 can more omit respectively or simultaneously without.Therefore further pin can be reduced to 19 or 18.Pin 14 pairs
It is the pin for retaining to answer high picture quantity multimedia interface form, and correspondence Displayport interface formats are ground connection;The correspondence of pin 20
Displayport interface formats are to provide the pin of 3.3V voltages, and high picture quantity multimedia interface form is without pin 20.
Fig. 4 is referred to, it is the schematic diagram of another embodiment of image processing apparatus of the present invention.Image processing apparatus 400
Comprising circuit board 410, slot 420 and image processing module 430.Slot 420 is arranged on circuit board 410, and and image
Processing module 430 is coupled.Image processing module 430 can be picture processing chip, for example image-zooming control chip.Slot
420 can allow the joint 440 of correspondence different images interface format to insert.In this embodiment, two image receiving interfaces 445
And 455 all pins that have shared slot 420, represent no matter joint 440 be correspond to high picture quantity multimedia interface form or
Displayport interface formats, can be inserted directly into slot 420.As previously described, in the case of preferably, slot 420 draws
Pin can be omitted to being only left 18, and the pin of image processing module 430 corresponding thereto is similarly omitted to being only left
18, that is to say, that whole pins of image receiving interface 435 are also connect by high picture quantity multimedia interface form with Displayport
Mouth form is shared.Consequently, it is possible to the wiring on circuit board 410 becomes more to simplify, therefore wiring cost can be saved and reduced
The size of circuit board 410;Furthermore image processing module 430, because pin is reduced, size can also and then reduce.On the other hand it is right
For user, single slot can just support two kinds of image interface forms, greatly lift the convenience for using.
Although embodiments of the invention as described above, but those embodiments be not used for limiting the present invention, this technology neck
Domain personnel can impose change according to the content expressed or imply of the invention to technical characteristic of the invention, and all this kind change is equal
The patent protection category sought by the present invention may be belonged to, in other words, scope of patent protection of the invention must regard this specification
As defined in claim is defined.
Claims (15)
1. a kind of image processing apparatus, for processing a signal of video signal, comprising:
One circuit board;
One slot, is arranged on the circuit board, one first joint and correspondence one for one first image interface form of correspondence
One of one second joint of two image interface forms is inserted;And
One image processing module, is arranged on the circuit board and is coupled to the slot, for detecting from first joint and being somebody's turn to do
The signal of video signal of one of second joint input to determine a target image interface format, and with to should target image interface
The image processing method of form processes the signal of video signal,
The first image interface form is the form of a high picture quantity multimedia interface, and the second image interface form is one
The form of Displayport interfaces, a stabilization is provided when the image processing module detects the signal of video signal in an acquiescence pin
Used as a voltage source, the image processing module determines the lattice that the target image interface format is the high picture quantity multimedia interface to voltage
Formula, the acquiescence pin is contained in the slot.
2. image processing apparatus as claimed in claim 1, it is characterised in that when the image processing module does not detect the image
Signal provides a burning voltage as a voltage source in an acquiescence pin, and the image processing module determines the target image interface lattice
Formula is the form of the Displayport interfaces.
3. image processing apparatus as claimed in claim 1, it is characterised in that first joint also corresponds to a movement high image quality
The form of link interface, burning voltage work is provided when the image processing module does not detect the signal of video signal in the acquiescence pin
It is a voltage source, then whether the low reference pin for also detecting the slot is a reference voltage level, if so, the image processing module
Determine the form that the target image interface format is the movement high image quality link interface, otherwise, it is determined that the target image interface
Form is the form of the Displayport interfaces.
4. image processing apparatus as claimed in claim 1, it is characterised in that the first image interface form is a movement
The form of high image quality link interface, whether the preset reference pin that the image processing module detects the slot is a reference voltage
Level, if so, the image processing module determines the form that the target image interface format is the movement high image quality link interface, instead
It, it is determined that the target image interface format is the form of the Displayport interfaces.
5. image processing apparatus as claimed in claim 1, it is characterised in that the image processing module is image-zooming control
Chip.
6. image processing apparatus as claimed in claim 1, it is characterised in that the slot has multiple pins, and at least one should
Pin is that first joint and second joint are shared.
7. a kind of picture processing chip, for processing a signal of video signal and comprising multiple pins, picture processing chip detecting
The signal of video signal to determine a target image interface format, and with to should target image interface format image processing method
To process the signal of video signal, a wherein at least pin of those pins is one first image interface form and one second image interface
Form is shared, and the first image interface form is the form of a high picture quantity multimedia interface, and the second image interface form is
The form of one Displayport interfaces, if the picture processing chip detects the signal of video signal provides one steady in an acquiescence pin
Voltage is determined as a voltage source, and the picture processing chip determines that the target image interface format is the high picture quantity multimedia interface
Form.
8. picture processing chip as claimed in claim 7, it is characterised in that when the picture processing chip does not detect the image
Signal provides a burning voltage as a voltage source in the acquiescence pin, and the picture processing chip determines the target image interface lattice
Formula is the form of the Displayport interfaces.
9. picture processing chip as claimed in claim 7, it is characterised in that when the picture processing chip does not detect the image
Signal provides a burning voltage as a voltage source in the acquiescence pin, then also detect a preset reference pin of the plurality of pin
Whether it is a reference voltage level, if so, the picture processing chip determines that the target image interface format is a movement high image quality
The form of link interface, otherwise, it is determined that the target image interface format is the form of the Displayport interfaces.
10. picture processing chip as claimed in claim 7, it is characterised in that the first image interface form is to move
The form of dynamic high image quality link interface, whether the preset reference pin that the picture processing chip detects the plurality of pin is a ginseng
Voltage quasi position is examined, if so, the picture processing chip determines that the target image interface format is the movement high image quality link interface
Form, conversely, then determining the form that the target image interface format is the Displayport interfaces.
11. picture processing chips as claimed in claim 7, it is characterised in that described image process chip is an image-zooming
Control chip.
A kind of 12. image processing methods, for processing a signal of video signal, comprising:
The signal of video signal is received via an image receiving interface, wherein the image receiving interface has multiple pins, and at least one
The pin is shared by one first image interface form and one second image interface form;
The signal of video signal is detected to determine a target image interface format;And
With to should the image processing method of target image interface format process the signal of video signal,
The first image interface form is the form of a high picture quantity multimedia interface, and the second image interface form is one
The form of Displayport interfaces, a burning voltage is provided when the detecting step detects the signal of video signal in an acquiescence pin
Used as a voltage source, the target image interface format is confirmed as the form of the high picture quantity multimedia interface.
13. methods as claimed in claim 12, it is characterised in that write from memory in this when the detecting step does not detect the signal of video signal
Recognize pin and one burning voltage, one voltage source of work is provided, the target image interface format is confirmed as the Displayport interfaces
Form.
14. methods as claimed in claim 12, it is characterised in that write from memory in this when the detecting step does not detect the signal of video signal
Recognize pin and provide a burning voltage as a voltage source, then the detecting step also detects a default reference of the image receiving interface
Whether pin is a reference voltage level, if so, the target image interface format is confirmed as a movement high image quality link interface
Form, conversely, being then confirmed as the form of the Displayport interfaces.
15. methods as claimed in claim 12, it is characterised in that the first image interface form is a movement high image quality
The form of link interface, whether the low reference pin that the detecting step detects the image receiving interface is a reference voltage level,
If so, the target image interface format is confirmed as the form of the movement high image quality link interface, otherwise then it is decided to be this
The form of Displayport interfaces.
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Effective date of registration: 20191218 Address after: No.1, Duhang 1st Road, Hsinchu City, Hsinchu Science Park, Taiwan, China Patentee after: MediaTek.Inc Address before: Taiwan Hsinchu County Tai Yuan Street China jhubei City, No. 26 4 floor 1 Patentee before: MStar Semiconductor Co., Ltd. |