CN106941618A - Over-scan adaptive display method and device - Google Patents
Over-scan adaptive display method and device Download PDFInfo
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- CN106941618A CN106941618A CN201710158947.9A CN201710158947A CN106941618A CN 106941618 A CN106941618 A CN 106941618A CN 201710158947 A CN201710158947 A CN 201710158947A CN 106941618 A CN106941618 A CN 106941618A
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- display device
- video information
- scan process
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
- H04N21/4355—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream involving reformatting operations of additional data, e.g. HTML pages on a television screen
Abstract
The embodiment of the present invention provides a kind of overscanning adaptive display method and device, applied to the display device communicated to connect with source device.By receiving and analyzing the video information that source device is sent, the scan process mode in video information is obtained.And processing is scanned to the video data that video information includes according to the scan process mode and shown.Hereby it is achieved that overscanning self adaptation is shown, Consumer's Experience is improved.
Description
Technical field
The present invention relates to image display technology field, in particular to one kind overscanning adaptive display method and dress
Put.
Background technology
Existing TV (such as, internet television) is because configuration is high, performance is high, cheap and is favored by user.Remove
Watching for daily TV programme is outer, and TV is also used as the image that display device sends to source device and shown, to expire
Sufficient user enjoys the superpower enjoyment that large-size screen monitors are surfed the Net, done shopping, playing game etc..
However, the progress for the image signal self-adaptive that existing TV can not be sent according to source device over-scan or underdevelopment at
Reason, is all to carry out overscanning processing to image acquiescence usually, and this can cause to show the image that source device is sent in incomplete (figure
As the situation that surrounding is intercepted, e.g., when notebook connects TV, the edge of desktop can be in outside screen) phenomenon occur, seriously
Influence the usage experience of user.
The content of the invention
In order to overcome above-mentioned deficiency of the prior art, the technical problems to be solved by the invention are to provide a kind of overscanning
Adaptive display method and device, its signal that can be sent according to source device are that overscanning or underdevelopment are done self adaptation and shown
Show, so as to improve Consumer's Experience.
Present pre-ferred embodiments provide a kind of overscanning adaptive display method, and methods described is applied to and source device
The display device of communication connection, methods described includes：
Receive the video information that the source device is sent；
Analysis obtains the scan process mode in video information, and according to the scan process mode to the video information
In video data be scanned processing, wherein, the scan process mode include overscanning mode and underdevelopment mode；
Video data after scan process is shown.
Present pre-ferred embodiments additionally provide a kind of overscanning self adaptation display device, and described device is applied to set with source
The display device of standby communication connection, described device includes：
Receiver module, for receiving the video information that the source device is sent；
Processing module, for analyzing the scan process mode obtained in video information, and according to the scan process mode
Processing is scanned to the video data in the video information, wherein, the scan process mode include overscanning mode and
Underdevelopment mode；
Display module, for the video data after scan process to be shown.
In terms of existing technologies, the invention has the advantages that：
Display device receives the video information that source device is sent, and video information includes video data and video data correspondence
Scan process mode.Video information to reception is analyzed, and obtains the scan process mode in video information.According to described
Processing mode is scanned processing to video data and shown.Thus, the signal pair that display device is sent according to the source device
The video data of reception has done respective handling, so as to be shown to adaptive video data, lifts Consumer's Experience.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be attached to what is used needed for embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore is not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Display device and the communication scheme of source device that Fig. 1 provides for present pre-ferred embodiments.
Fig. 2 is the block diagram of the display device shown in Fig. 1.
Fig. 3 is the block diagram of the source device shown in Fig. 1.
Fig. 4 shows for the overscanning self adaptation for being applied to the display device shown in Fig. 1 that preferred embodiments of the present invention are provided
Show the schematic flow sheet of method.
Fig. 5 is a kind of schematic flow sheet of sub-step that step S120 includes in Fig. 4.
Fig. 6 is a kind of schematic flow sheet of sub-step that sub-step S122 includes in Fig. 5.
Fig. 7 is another schematic flow sheet of sub-step that step S120 includes in Fig. 4.
A kind of block diagram for the overscanning self adaptation display device that Fig. 8 provides for present pre-ferred embodiments.
Icon：100- display devices；110- first memories；The storage controls of 120- first；130- first processors；
200- source devices；210- second memories；The storage controls of 220- second；230- second processing devices；300- over-scans self adaptation
Display device；310- receiver modules；320- processing modules；321- analyzing sub-modules；322- scans submodule；330- shows mould
Block.
Embodiment
Below in conjunction with accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Generally exist
The component of the embodiment of the present invention described and illustrated in accompanying drawing can be arranged and designed with a variety of configurations herein.Cause
This, the detailed description of the embodiments of the invention to providing in the accompanying drawings is not intended to limit claimed invention below
Scope, but it is merely representative of the selected embodiment of the present invention.Based on embodiments of the invention, those skilled in the art are not doing
The every other embodiment obtained on the premise of going out creative work, belongs to the scope of protection of the invention.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.Meanwhile, the present invention's
In description, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or implying relative importance.
Fig. 1 is refer to, Fig. 1 is that the communication of display device 100 and source device 200 that present pre-ferred embodiments are provided is illustrated
Figure.The display device 100 is communicated to connect with the source device 200, thus the display device 100 and the source device 200
Data interaction is carried out, the video data that 100 pairs of the display device source device 200 is sent is shown.Of the invention real
Apply in example, the display device 100 may be, but not limited to, television set, micro- throwing etc..The source device 200 can be, but not
It is limited to, set top box, Blu-ray player, signal generator etc..
Fig. 2 is refer to, Fig. 2 is the block diagram of the display device 100 shown in Fig. 1.The display device 100 includes：
Over-scan self adaptation display device 300, first memory 110, the first storage control 120 and first processor 130.
Between the first memory 110, the first storage control 120 and each element of first processor 130 directly or
Ground connection is electrically connected with, to realize the transmission or interaction of data.For example, these elements can pass through one or more communication each other
Bus or signal wire, which are realized, to be electrically connected with.The overscanning self adaptation that is stored with first memory 110 display device 300, the mistake
Scanning self adaptation display device 300 can be stored in described first including at least one in the form of software or firmware (firmware)
Software function module in memory 110.The first processor 130 is stored in soft in first memory 110 by operation
Overscanning self adaptation display device 300 in part program and module, such as embodiment of the present invention, so as to perform various function application
And data processing, that is, realize the overscanning adaptive display method in the embodiment of the present invention.
Wherein, the first memory 110 may be, but not limited to, random access memory (Random Access
Memory, RAM), read-only storage (Read Only Memory, ROM), programmable read only memory (Programmable
Read-Only Memory, PROM), erasable read-only memory (Erasable Programmable Read-Only
Memory, EPROM), electricallyerasable ROM (EEROM) (Electric Erasable Programmable Read-Only
Memory, EEPROM) etc..Wherein, first memory 110 is used for storage program, and the first processor 130 is receiving execution
After instruction, described program is performed.The first processor 130 and other access of possible component to first memory 110
It can be carried out under the control of first storage control 120.
The first processor 130 is probably a kind of IC chip, the disposal ability with signal.Above-mentioned first
Processor 130 can be at general processor, including central processing unit (Central Processing Unit, CPU), network
Manage device (Network Processor, NP) etc..Can also be digital signal processor (DSP), application specific integrated circuit (ASIC),
It is field programmable gate array (FPGA) or other PLDs, discrete gate or transistor logic, discrete hard
Part component.It can realize or perform disclosed each method, step and the logic diagram in the embodiment of the present invention.General processor
Can be microprocessor or the processor can also be any conventional processor etc..
It is appreciated that the structure shown in Fig. 2 be only signal, display device 100 may also include it is more more than shown in Fig. 2 or
Less component, or with the configuration different from shown in Fig. 2.Each component shown in Fig. 2 can using hardware, software or its
Combination is realized.
Fig. 3 is refer to, Fig. 3 is the block diagram of the source device 200 shown in Fig. 1.The source device 200 can include the
Two memories 210, the second storage control 220 and second processing device 230.
Wherein, the second memory 210, the second storage control 220 and second processing device 230 and first in Fig. 2
Memory 110, the first storage control 120, first processor 130 hardware configuration it is identical, just no longer introduce one by one herein.
Fig. 4 is refer to, Fig. 4 is that present pre-ferred embodiments provide the overscanning for being applied to the display device 100 shown in Fig. 1
A kind of schematic flow sheet of adaptive display method.The display device 100 is communicated to connect with source device 200.Flow in Fig. 4
It can be realized by the first processor 130.The idiographic flow for over-scanning adaptive display method is described in detail below.
Step S110, receives the video information that the source device 200 is sent.
In the present embodiment, the step of video information that the reception source device 200 is sent, includes：Receive the source
The corresponding video information of scan mode that the display device 100 that equipment 200 is sent according to extending display identification data is supported.
In the present embodiment, when the source device 200 accesses the display device 100, the display device 100 will extend
Display identification data is sent to the source device 200, so that the source device 200 obtains sweeping for the support of display device 100
Retouch mode and the corresponding video type of scan mode.The scan mode that the source device 200 is supported according to the display device 100
And the corresponding video type of scan mode sends video information to the display device 100.
Wherein, the display device 100 is stored the extending display identification data, and the particular location of storage can be with
It is, but is not limited to, Nand Flash (fast flash memory bank), E2PROM (Electrically Erasable Programmable
Read-Only Memory, EEPROM), SDRAM (Synchronous Dynamic Random
Access Memory, synchronous DRAM) etc..
Wherein, the extending display identification data (Extended Display Identification Data, EDID)
It is a kind of VESA (Video Electronics Standards Association, VESA) normal data
Form, the extending display identification data do not comprise only pass monitor (such as, notebook/television set/micro- throwing) and its performance
Parameter, also including company-information, such as, it is desirable to timing (that is, the preferred that the equipment of source device 200 is preferentially sent
Timing), Monitor Name (monitor title), the timing lists supported, Audio (audio) information supported, supply
The information such as business's information, maximum image size, color are set, factory default is put, the limitation of frequency range.
Step S120, analysis obtains the scan process mode in video information, and according to the scan process mode to institute
State the video data in video information and be scanned processing.
In the present embodiment, the scan process mode includes overscanning mode and underdevelopment mode.The video information
The video data and auxiliary video information frame sent including the source device 200.Wherein, video data refers to video to be played
Content, the auxiliary video information frame includes the auxiliary information of various audio frequency and video.It is described auxiliary in the embodiment of the present embodiment
Frames of video information is helped to be sent to the display device 100 by source device 200 in the way of InfoFrame.6 kinds defined in standard
InfoFrame：
Vendor-Specific InfoFrame(0x01),
Auxiliary Video Information InfoFrame(0x02),
Source Product Description InfoFrame (0x03),
Audio InfoFrame (0x04),
MPEG Source InfoFrame (0x05),
and NTSC VBI InfoFrame(0x06)
In the embodiment of the present embodiment, the auxiliary video information frame uses Auxiliary Video
Information InfoFrame, abbreviation AVI InfoFrame.Source device 200 confirm display device 100 support receive or
When parsing the auxiliary video information frame, the source device 200 is first sent and the video before sending per frame video data
The corresponding auxiliary video information frame of data.The auxiliary video information frame includes the relevant information of next frame video data, than
Such as, Scan Information (scanning information, e.g., underscan (underdevelopment) or overscan (overscanning)), Color
Space (color space, e.g., RGB/YCBCR), Picture Aspect Ratio (the ratio of width to height, e.g., 4:3/16:9) etc..
In the present embodiment, the source device 200 is according to the overscan/underscan information of the video data of transmission,
Set the value of scanning field in the auxiliary video information frame.Such as, the value of scanning field is represented by the value of S in S field,
That is the value of the S can be used to indicate that the video data needs to carry out overscanning processing or underdevelopment processing.
It refer to Fig. 5, figure is a kind of schematic flow sheet of the sub-step that step S120 includes in Fig. 4.The step S120
Sub-step S121 and sub-step S122 can be included.
The sub-step S121, parses the value of the scanning field for the auxiliary video information frame that the source device 200 is sent.
In the present embodiment, the display device 100 is received after the auxiliary video information frame, and parsing obtains scanning field
The information (such as, color space, the ratio of width to height etc.) of value and the corresponding video data of the auxiliary video information frame, and according to institute
The information for stating video data completes configuration, so as to show the video data after scan process.
The sub-step S122, enters according to the value of the scanning field to the corresponding video data of the auxiliary video information frame
The corresponding scan process of row.
In the present embodiment, the value of the scanning field S can be the first preset value or the second preset value, different value correspondences
Obstructed scan mode.The situation for realizing different scanning mode for different value refer to subsequent step.
It refer to Fig. 6, Fig. 6 is a kind of schematic flow sheet of the sub-step that sub-step S122 includes in Fig. 5.The sub-step
S122 can include sub-step S1221 and sub-step S1222.
When the value of the scanning field S is the first preset value, sub-step S1221 is performed.
The sub-step S1221, overscanning processing is done to the video data of reception.
In the embodiment of the present embodiment, first preset value is set to 1.The display device 100 is parsed
During to AVI S=1, corresponding register (register) will be over-scanned by software in chip (System on Chip, SoC)
In overscan bit be configured to 1, the overscanning function of the display device 100 is opened, with the video data to reception
Do overscanning processing.
When the value of the scanning field S is the second preset value, sub-step S1222 is performed.
The sub-step S1222, underdevelopment processing is done to the video data of reception.
In the embodiment of the present embodiment, second preset value is set to 2.The display device 100 is parsed
During to AVI S=2, corresponding register (register) will be over-scanned by software in chip (System on Chip, SoC)
In overscan bit be configured to 0, the overscanning function of the display device 100 is closed, with the video data to reception
Do underdevelopment processing.
In the present embodiment, the extending display identification data include vendor specific data block (Vendor Specific
Data Block, VSDB).The vendor specific data block possesses auxiliary video information frame for characterizing the display device 100
Reception and analytic ability.Thus, the detection of source device 200 obtains extending display identification data in the display device 100
In VSDB, so that it is determined that the display device 100 possesses reception and the analytic ability to InfoFrame.The display device
100 can also configure in the vendor specific information to information such as Deep Color Depth/3D support situations.Its
In, vision signal is made up of pixel one by one (pixel), and each pixel is by 3 sub-pixel of RGB or YUV
Sub-pixel group into, color depth refer to that each sub-pixel is made up of 8bit, so have 28 powers i.e. 256
Data volume, higher than 8bit, such as 10bit/12bit/16bit, as Deep Color Depth.Numerical value is higher, each pixel
Data volume it is bigger, image quality is better.Deep Color Depth/3D can be configured to by the display device 100：
Deep Color Depth:10bit/12bit/16bit；3D：Frame Packing/Top and Bottom/Side-by-
Side etc., 3D configuration can represent that the 3D transformats that display device 100 is supported have：Frame encapsulation, up and down, side by side etc..
In the present embodiment, the extending display identification data also include Video attribute information, the Video attribute information
The video type and the corresponding scan process mode of the video type supported including the display device 100.
In the embodiment of the present embodiment, by the expansion Block (block) in the extending display identification data
Newly-increased video attribute data block (Video Capability Data Block, VCDB), so that the extending display identification data
Including Video attribute information.So that source device 200 obtains display device 100 to different types of underdevelopment or overscanning
Support situation.Concrete configuration is as follows：
PT timing:Support both over-and underscan
IT timing:Always Underscaned
CE timing:Support both over-and underscan
I.e.：
For PT timing, display device 100 is all supported its underdevelopment or overscan operation；
For IT timing, display device 100 always performs underdevelopment operation to it；
For CE timing, display device 100 is all supported its underdevelopment or overscan operation.
It refer to Fig. 7, Fig. 7 is another schematic flow sheet of the sub-step that step S120 includes in Fig. 4.The step
S120 can also include sub-step S125 and sub-step S126.
The sub-step S125, when the value of the scanning field is that the 3rd preset value or the display device 100 are not received
During to the auxiliary video information frame, when the video type of reception is the first default video type, to the video data of reception
Do overscanning processing.
In the present embodiment, it is the 3rd preset value (by the 3rd that the display device 100 obtains the value of scanning field in parsing
When preset value is set to 0, parsing obtains AVI S=0) or because some reasons (such as, signal fault) do not receive auxiliary video
During information frame, processing is scanned to the video data according to the video type of the video data of reception.In the video class
When type is the first preset kind, overscanning processing is done to the video data of reception.Wherein, first preset kind is CE
Timing, CE refer to consumer electronics product (Consumer Electronics), and CE timing refer to consumer electronics
The type that product (such as, OTT boxes, DVD player etc.) is supported, such as 1080p@60Hz.
The sub-step S126, when the video type of reception is the second default video type, to the video data of reception
Do underdevelopment processing.
In the present embodiment, it is the 3rd preset value (by the 3rd that the display device 100 obtains the value of scanning field in parsing
When preset value is set to 0, parsing obtains AVI S=0) or because some reasons (such as, signal fault) do not receive auxiliary video
During information frame, when the video type of the video data is the second preset kind, the video data of reception is done at underdevelopment
Reason.Wherein, second preset kind is IT timing, refers to PC (Personal Computer, PC), i.e. pen
The type that note sheet/desktop computer etc. is supported.
In the embodiment of the present embodiment, the source device 200 can include according to the extending display identification data
The video type of preferential transmission carry out the transmission of video data, the video type (Preferred preferentially sent
Timing, PT timing) can be CE timing or IT timing.
In the present embodiment, it is the described second pre- setting video in the video type without addition Video attribute information and reception
During type, underdevelopment processing is carried out to the video data of reception.
In the present embodiment, when in extending display identification data without addition Video attribute information, display device 100
Corresponding scan process is carried out to video data according to the video type of reception.When video type is the first default video type,
The video data of 100 pairs of receptions of display device does overscanning processing.When video type is the second default video type, by
Need to do underdevelopment processing in the second default video type, therefore display device 100 is in advance in the extending display identification data
In modify so that source device 200 thinks that the video data of the second default video type can do underdevelopment processing, so that described
Display device 100, which is received, carries out underdevelopment processing after video data.Wherein, the mode of modification can be by extending display identification number
1, i.e. underscan=1 are set to according to middle underscan.
Step S130, the video data after scan process is shown.
In the present embodiment, the video data of 100 pairs of receptions of display device completes scan process and corresponding aobvious
Show after the completion of configuration, video data is shown.
In the embodiment of the present embodiment, the display device 100 passes through HDMI and the source
Equipment 200 enters row data communication.Wherein, HDMI (High Definition Multimedia
Interface, HDMI) it is to support not compress digital audio/video interface.The source device 200 is more by fine definition
When media interface accesses the display device 100, the source device 200 obtains the display by the DDC pin in HDMI wire
The extending display identification data of equipment 100, so as to obtain specific support situation of the display device 100 to audio frequency and video, and preferentially send out
Send the Preferred Timing configured in extending display identification data.
Wherein, the flow of display device 100 and source device 200 interaction is as follows.When display device 100 detects HDMI
When 5V lines in Cable (cable) have signal, display device 100 is by HDMI Cable HPD lines to source device 200 with first low
High level, 100~200ms of interval mode send information after level.Source device 200 detect HPD lines more than change when,
Source device 200 passes through DDC (Direct Digital Control, direct data control) line (2, one in HDMI Cable
Root clk (Clock, clock) line, data (data) line, essence is exactly i2c lines) extension of reading display device 100 shows
Mark data.
In the embodiment of the present embodiment, the position of the extending display identification data storage is different, the source device
The mode of 200 acquisition extending display identification data would also vary from.Extending display identification data storage when Nand Flash,
When using by extending display identification data from Nand Flash are loaded into Installed System Memory；Extending display identification data storage in
During E2PROM, each HDMI ports of display device 100 1 E2PROM of each correspondence, source device 200 is directly closed from correspondence HDMI ports
Extending display identification data are read in the E2PROM of connection；Extending display identification data storage is when SDRAM, first by extension display mark
Data storage is known in array, when entering HDMI paths, then by the EDID data copies in array into SDRAM.
In the present embodiment, automatically scanning option, overscanning option and underdevelopment choosing are provided with the display device 100
, methods described also includes：
The selection operation to the automatically scanning option is responded, self-adaptive processing is scanned to the video data of reception,
So that the self adaptation on the display device 100 of the video data after processing is shown；
The selection operation to the overscanning option is responded, overscanning processing is done to the video data of reception；
The selection operation to the underdevelopment option is responded, underdevelopment processing is done to the video data of reception.
In the embodiment of the present embodiment, the automatically scanning option, overscanning option and underdevelopment option can be set
Put in the user interface (User Interface, UI) of display device 100.UI designs are specific as follows：
AUTO, the self adaptation of display device 100
Overscan (non-full screen display), the full screen display of display device 100 is closed
Underscan (full screen display), the full screen display of display device 100 is opened
Thus, when user does not know that the vision signal that source device 200 is sent does underdevelopment or overscanning processing, Ke Yixuan
Select AUTO options.When it is to do underdevelopment or overscanning processing that user, which determines the vision signal that source device 200 is sent, then in display
Alignment processing option is selected in equipment 100：
When overscanning is chosen, then display device 100 can close underdevelopment or overscanning adaptation function, all the time to receiving
To HDMI signals do overscanning processing；
When underdevelopment is chosen, then display device 100 can close underdevelopment or overscanning adaptation function, all the time to receiving
To HDMI signals do underdevelopment processing.
In the present embodiment, when the display device 100 is configured to overscan/underscan, give user and carry
Show, it is described in detail below.
When the parsing of display device 100 obtains Scan Information for overscan, then configure display device 100 and deposit
Device, display device 100 opens overscanning pattern.Meanwhile, driving layer send overscanning configuration message to UI, UI receive after message to
User is given to point out as follows：" switching to non-full screen display (overscanning, overscan) pattern automatically for you ".
When the Scan Information that display device 100 is resolved to are underscan, then configure display device 100 and post
Storage, display device 100 opens underdevelopment pattern.Meanwhile, driving layer sends underdevelopment and configures message to UI, and UI receives the event
After give user and point out as follows：" switching to full screen display (underdevelopment, underscan) pattern automatically for you ".
In addition, being only just correspondence Scan Mode's (scan type) when Scan Information are changed
Action of configuration and transmission correspondence Scan Operation message are pointed out to UI, i.e.,：
The corresponding Scan Information of current video data are overscan, if back to back next video data
Corresponding Scan Information are also overscan, then display device 100 no longer does overscanning configuration and hair message to UI
Do the action reminded.When video data is underdevelopment, same to aforesaid operations.
Fig. 8 is refer to, Fig. 8 is one kind side for the overscanning self adaptation display device 300 that present pre-ferred embodiments are provided
Frame schematic diagram.The overscanning self adaptation display device 300 is applied to the display device 100 communicated to connect with source device 200.Institute
Stating overscanning self adaptation display device 300 includes：Receiver module 310, processing module 320 and display module 330.
The receiver module 310, for receiving the video information that the source device 200 is sent.
The mode that the receiver module 310 receives the video information that the source device 200 is sent includes：
Receive the support of the display device 100 that the source device 200 is sent according to the extending display identification data
The corresponding video information of scan mode.In the present embodiment, the step of receiver module 310 is performed is referred to shown in Fig. 4
Step S110 detailed description.
The processing module 320, for analyzing the scan process mode in video information of obtaining, and according to the scanning at
Reason mode is scanned processing to the video data in the video information, wherein, the scan process mode includes overscanning
Mode and underdevelopment mode.
The processing module 320 includes：Analyzing sub-module 321 and scanning submodule 322.
The analyzing sub-module 321, the scanning for parsing the auxiliary video information frame that the source device 200 is sent
The value in domain.
The scanning submodule 322, is regarded for the value according to the scanning field to be corresponding to the auxiliary video information frame
Frequency is according to the corresponding scan process of progress.
The scanning submodule 322 is according to the value of the scanning field to the corresponding video data of the auxiliary video information frame
Carrying out the mode of corresponding scan process includes：
When the value of the scanning field is the first preset value, overscanning processing is done to the video data of reception；
When the value of the scanning field is the second preset value, underdevelopment processing is done to the video data of reception.
In the present embodiment, the display device 100 is stored with extending display identification data, the extending display identification number
According to including vendor specific data block, the vendor specific data block possesses auxiliary video letter for characterizing the display device 100
Cease reception and the analytic ability of frame.
In the present embodiment, the exhibition display identification data also includes Video attribute information, the Video attribute information bag
Include video type and the corresponding scan process mode of the video type that the display device 100 is supported.
The processing module 320 is additionally operable to：
When the value of the scanning field is that the 3rd preset value or the display device 100 are not received by the auxiliary video letter
When ceasing frame, when the video type of reception is the first default video type, overscanning processing is done to the video data of reception；
When the video type of reception is the second default video type, underdevelopment processing is done to the video data of reception.
In the present embodiment, the step of processing module 320 is performed refers to retouching in detail for the step S120 shown in Fig. 4
State.
The display module 330, for the video data after scan process to be shown.
In the present embodiment, the step of display module 330 is performed refers to retouching in detail for the step S130 shown in Fig. 4
State.
In summary, the embodiments of the invention provide one kind overscanning adaptive display method and device, it is applied to and source
The display device of equipment communication connection.Display device receives the video information that the source device is sent, then according to video information
In scan process mode carry out corresponding scan process to the video data in video information, and by the video data after processing
Self adaptation is shown on the display device, thus lifts Consumer's Experience.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (15)
1. one kind overscanning adaptive display method, it is characterised in that methods described is applied to and showing that source device is communicated to connect
Show equipment, methods described includes：
Receive the video information that the source device is sent；
Analysis obtains the scan process mode in video information, and according to the scan process mode in the video information
Video data is scanned processing, wherein, the scan process mode includes overscanning mode and underdevelopment mode；
Video data after scan process is shown.
2. according to the method described in claim 1, it is characterised in that the video information includes the video that the source device is sent
Data and auxiliary video information frame, the analysis obtain the scan process mode in video information, and according to the scan process
The step of mode is scanned processing to the video data in the video information includes：
Parse the value of the scanning field for the auxiliary video information frame that the source device is sent；
Corresponding scan process is carried out to the corresponding video data of the auxiliary video information frame according to the value of the scanning field.
3. method according to claim 2, it is characterised in that the value according to the scanning field is to the auxiliary video
The step of corresponding video data of information frame carries out corresponding scan process includes：
When the value of the scanning field is the first preset value, overscanning processing is done to the video data of reception；
When the value of the scanning field is the second preset value, underdevelopment processing is done to the video data of reception.
4. the method according to any one of claim 1-3, it is characterised in that the display device, which is stored with, extends display
Mark data, the extending display identification data include vendor specific data block, and the vendor specific data block is used to characterize institute
State reception and analytic ability that display device possesses auxiliary video information frame.
5. method according to claim 4, it is characterised in that
The extending display identification data also include Video attribute information, and the Video attribute information includes the display device branch
The corresponding scan process mode of video type and the video type held.
6. method according to claim 5, it is characterised in that the step for the video information that the reception source device is sent
Suddenly include：
Receive the scan mode pair for the display device support that the source device is sent according to the extending display identification data
The video information answered.
7. method according to claim 5, it is characterised in that methods described also includes：
When the value of scanning field is the 3rd preset value or the display device is not received by the auxiliary video information frame, connecing
When the video type of receipts is the first default video type, overscanning processing is done to the video data of reception；
When the video type of reception is the second default video type, underdevelopment processing is done to the video data of reception.
8. according to the method described in claim 1, it is characterised in that：
The display device enters row data communication by HDMI and the source device.
9. one kind overscanning self adaptation display device, it is characterised in that described device is applied to and showing that source device is communicated to connect
Show equipment, described device includes：
Receiver module, for receiving the video information that the source device is sent；
Processing module, for analyzing the scan process mode obtained in video information, and according to the scan process mode to institute
State the video data in video information and be scanned processing, wherein, the scan process mode includes overscanning mode and owes to sweep
Retouch mode；
Display module, for the video data after scan process to be shown.
10. device according to claim 9, it is characterised in that the video information includes regarding for source device transmission
Frequency evidence and auxiliary video information frame, the processing module include analyzing sub-module and scanning submodule；
The analyzing sub-module, the value of the scanning field for parsing the auxiliary video information frame that the source device is sent；
The scanning submodule, enters for the value according to the scanning field to the corresponding video data of the auxiliary video information frame
The corresponding scan process of row.
11. device according to claim 10, it is characterised in that the scanning submodule is according to the value pair of the scanning field
The mode of the corresponding scan process of the corresponding video data progress of auxiliary video information frame includes：
When the value of the scanning field is the first preset value, overscanning processing is done to the video data of reception；
When the value of the scanning field is the second preset value, underdevelopment processing is done to the video data of reception.
12. the device according to any one of claim 9-11, it is characterised in that the display device, which is stored with to extend, to be shown
Show mark data, the extending display identification data include vendor specific data block, and the vendor specific data block is used to characterize
The display device possesses reception and the analytic ability of auxiliary video information frame.
13. device according to claim 12, it is characterised in that
The extending display identification data also include Video attribute information, and the Video attribute information includes the display device branch
The corresponding scan process mode of video type and the video type held.
14. device according to claim 13, it is characterised in that the receiver module receives regarding for the source device transmission
The mode of frequency information includes：
Receive the scan mode pair for the display device support that the source device is sent according to the extending display identification data
The video information answered.
15. device according to claim 13, it is characterised in that the processing module is additionally operable to：
When the value of scanning field is the 3rd preset value or the display device is not received by the auxiliary video information frame, connecing
When the video type of receipts is the first default video type, overscanning processing is done to the video data of reception；
When the video type of reception is the second default video type, underdevelopment processing is done to the video data of reception.
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| CN106941618B (en) | 2020-10-20 |
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