CN106303451A - The video processing unit output synchronicity detection method of multi-display apparatus and system - Google Patents
The video processing unit output synchronicity detection method of multi-display apparatus and system Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/004—Diagnosis, testing or measuring for television systems or their details for digital television systems
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- Health & Medical Sciences (AREA)
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Abstract
The present invention relates to video processing unit output synchronicity detection method and the system of a kind of multi-display apparatus, the video processing unit output synchronicity detection method of above-mentioned multi-display apparatus, comprises the steps: to utilize multiple video processing unit to be measured to send test signal to video acquisition unit respectively；Video acquisition unit receives multiple test signal, respectively each test signal is carried out sequential replacement, generate the sequential processing signal that each test signal is corresponding, and multiple sequential processing signals are transmitted separately to target video processing unit；Wherein, described above-mentioned target video processing unit is any one video processing unit in addition to video processing unit to be measured in multi-display apparatus；After target video processing unit receives each sequential processing signal, the test video information of output sends and shows to target display unit, and the test video information that described target display unit shows is for detecting the output synchronicity of each video processing unit to be measured.
Description
Technical field
The present invention relates to video signal treatment technique field, particularly relate to the Video processing list of a kind of multi-display apparatus
Unit's output synchronicity detection method and system.
Background technology
Along with the high speed development of Display Technique, the application of multihead display is the most extensive；Corresponding multi-display apparatus is got over
Get over frequently for all kinds of work and life.Multi-display apparatus can include video acquisition unit, video processing unit, regard
Frequently transmission unit and multiple display unit (display screen)；The most corresponding video processing unit of each display unit above-mentioned,
When multiple display units at multi-display apparatus carry out video display, only the output of each video processing unit is to corresponding display
The signal of unit synchronizes, and the signal shown by multiple display units could keep synchronizing；If each video processing unit exports extremely
The signal of respective display unit is asynchronous, and the signal shown by display unit will appear from nonsynchronous problem, and now multifrequency shows
There is showing the phenomenon of asynchronous (i.e. exporting asynchronous) in device, will have a strong impact on the display effect of many frequency display units, reduces
Corresponding Consumer's Experience.
In traditional scheme, need video processing unit to be detected in multi-display apparatus accesses other displays substantial amounts of
Equipment, on the basis of the display device output ensureing all accesses synchronizes, carries out video processing unit to be detected output same
The detection of step；Or use the equipment test output timings such as oscillograph, successively detection multi-display apparatus Video processing to be detected
Whether the output of unit synchronizes.Although such scheme can realize to a certain extent to video to be detected in multi-display apparatus
Processing unit exports the detection whether synchronized, but needs by external equipment, and detection process is complicated.
Summary of the invention
Based on this, it is necessary to for conventional video processing unit output Synchronization Solution needs by external equipment,
The technical problem that detection process is complicated, it is provided that the video processing unit output synchronicity detection method of a kind of multi-display apparatus and
System.
The video processing unit output synchronicity detection method of a kind of multi-display apparatus, comprises the steps:
Multiple video processing unit to be measured is utilized to send test signal to video acquisition unit respectively；
Video acquisition unit receives multiple test signal, respectively each test signal is carried out sequential replacement, generate
The sequential processing signal that each test signal is corresponding, and it is single that multiple sequential processing signals are transmitted separately to target video process
Unit；Wherein, described above-mentioned target video processing unit is any one in addition to video processing unit to be measured in multi-display apparatus
Individual video processing unit；
After target video processing unit receives each sequential processing signal, the test video information of output sends to target
Display unit shows, the test video information that described target display unit shows is used for detecting each Video processing list to be measured
The output synchronicity of unit.
A kind of video processing unit output synchronicity detecting system of multi-display apparatus, including:
Sending module, is used for utilizing multiple video processing unit to be measured to send test signal to video acquisition list respectively
Unit；
Generation module, for receiving multiple test signal in video acquisition unit, is carried out each test signal respectively
Sequential is replaced, and generates the sequential processing signal that each test signal is corresponding, and multiple sequential processing signals are transmitted separately to mesh
Mark video processing unit；Wherein, described above-mentioned target video processing unit is except Video processing list to be measured in multi-display apparatus
Any one video processing unit outside unit；
Display module, the test video letter of output after target video processing unit is received each sequential processing signal
Breath sends and shows to target display unit, and the test video information that described target display unit shows is used for detecting each and treats
Survey the output synchronicity of video processing unit.
The video processing unit output synchronicity detection method of above-mentioned multi-display apparatus and system, can be by multihead display
In device, the output of multiple video processing units to be measured is by portions such as the test signal video acquisition unit by this multi-display apparatus
Divide transmission to other video processing units (non-video processing unit to be measured) of above-mentioned multi-display apparatus, utilize above-mentioned non-to be measured
Video processing unit controls corresponding display unit and carries out the display of each test test video information corresponding to signal, with inspection
Whether the output surveying multiple video processing unit to be measured synchronizes；The detection that above-mentioned output synchronizes can rely on corresponding multihead display
Device completes self, is effectively simplified the detection process that video processing unit output synchronizes, it is also possible to reduce and detect into accordingly
This.
Accompanying drawing explanation
Fig. 1 is the video processing unit output synchronicity detection method flow chart of the multi-display apparatus of an embodiment；
Fig. 2 is the multi-display apparatus schematic diagram of an embodiment；
Fig. 3 is that the sequential of an embodiment replaces schematic diagram；
Fig. 4 is the multi-display apparatus schematic diagram of an embodiment；
Fig. 5 is that the sequential of an embodiment replaces schematic diagram；
Fig. 6 is the video processing unit output synchronicity detecting system structural representation of the multi-display apparatus of an embodiment
Figure.
Detailed description of the invention
Below in conjunction with the accompanying drawings to the video processing unit output synchronicity detection method of the multi-display apparatus of the present invention and
The detailed description of the invention of system is described in detail.
The video processing unit output synchronicity detection of the multi-display apparatus of an embodiment it is shown with reference to Fig. 1, Fig. 1
Method flow diagram, comprises the steps:
S10, utilizes multiple video processing unit to be measured to send test signal to video acquisition unit respectively；
S20, receives multiple test signal in video acquisition unit, respectively each test signal is carried out sequential replacement,
Generate the sequential processing signal that each test signal is corresponding, and multiple sequential processing signals are transmitted separately to target video process
Unit；Wherein, described above-mentioned target video processing unit is any in addition to video processing unit to be measured in multi-display apparatus
One video processing unit；
S30, after target video processing unit receives each sequential processing signal, the test video information of output sends extremely
Target display unit shows, the test video information that described target display unit shows is used for detecting at each video to be measured
The output synchronicity of reason unit.
The video processing unit output synchronicity detection method of above-mentioned multi-display apparatus can be based on the multi-screen shown in Fig. 2
Display device is applied.As in figure 2 it is shown, above-mentioned multi-display apparatus includes multiple video processing unit, at the first video
(N is whole more than or equal to 3 for reason unit the 201, second video processing unit 202 ..., N video processing unit 20N
Number), the most corresponding display unit of each video processing unit above-mentioned, video processing unit can control the display of its correspondence
Unit carries out the display of corresponding video signal, and (target display is single for the first video processing unit 201 in Fig. 2 and display unit 307
Unit) corresponding.As in figure 2 it is shown, the second video processing unit 202 ..., N video processing unit 20N are Video processing to be measured
Unit, the first video processing unit 201 is the video processing unit non-to be measured of display test video information.Video processing list to be measured
Unit, as test signal is sent to video acquisition by the second video processing unit 202 ... and N video processing unit respectively
Unit 302；Video acquisition unit 302 receives multiple test signal, respectively each test signal can be carried out sequential replacement, raw
Become each test sequential processing signal corresponding to signal, by above-mentioned sequential processing signal by Video Transmission Unit 303 transmit to
Target video processing unit, the i.e. second video processing unit 202, the second video processing unit 202 receives each sequential processing letter
Number, after respectively each sequential processing signal being carried out relevant treatment, multiple test video information of output are entered to display unit 307
Row display；If the test video information stability shown by display unit 307, i.e. test video letter shown by display unit 307
Breath occurs without shake, and/or the phenomenon affecting display quality such as crooked, then can be determined that above-mentioned second video processing unit
202 ... and the output synchronization of these video processing units to be measured of N video processing unit；If display unit 307 is shown
The test video information shown is unstable, i.e. shaking occurs in test video information shown by display unit 307, and/or crooked etc.
Affect the phenomenon of display quality, then can be determined that above-mentioned second video processing unit 202 ... and N video processing unit
The output of these video processing units to be measured is asynchronous.
In above-mentioned steps S10, the test signal that multiple video processing units to be measured send can be that above-mentioned each to be measured regards
Frequently processing unit currently controls the video signal that respective display unit plays out, it is also possible to be measured regard to each for sending in advance
Frequently processing unit, carries out the video signal of synchronicity detection for carrying out these video processing units to be measured.
In above-mentioned steps S20, after video acquisition unit receives multiple test signals, each test signal can be resolved, from
Above-mentioned test signal identifies time series therein, so that the time series in each test signal is replaced, generates
Corresponding sequential processing signal.The above-mentioned process being replaced the time series in each test signal may include that respectively
Time series in individual test signal all replaces with the time series in arbitrary test signal.
In above-mentioned steps S30, target video processing unit receives each sequential processing signal, can be respectively to each sequential
Process signal to be decoded waiting process, the test video information corresponding to generate each sequential processing signal；Target video processes
Unit can be respectively directed to each test video information at target display unit and window, with in above-mentioned target display unit
Form the display window that each test video information is corresponding, utilize above-mentioned display window to carry out the aobvious of each test video information
Show.Above-mentioned display window and test video information one_to_one corresponding.Above-mentioned target video processing unit is corresponding with target display unit.
Display unit shows multiple test video information, if shown video information is stable, as occurred without shake, and/
Or the phenomenon affecting display quality such as crooked, then can be determined that the output of above-mentioned video processing unit to be measured synchronizes；If above-mentioned test
During video information display unstable, shake there is, and/or the phenomenon affecting display quality such as crooked, then can be determined that above-mentioned treating
Survey video processing unit output asynchronous.
The video processing unit output synchronicity detection method of the multi-display apparatus that the present embodiment provides, can be by multi-screen
In display device, the output of multiple video processing units to be measured is by the test signal video acquisition unit by this multi-display apparatus
Deng other video processing units (non-video processing unit to be measured) of fractional transmission to above-mentioned multi-display apparatus, utilize above-mentioned non-
Video processing unit to be measured controls corresponding display unit and carries out the display of each test test video information corresponding to signal,
To detect whether the output of multiple video processing units to be measured synchronizes；The detection that above-mentioned output synchronizes can rely on corresponding multi-screen
Display device completes self, is effectively simplified the detection process that video processing unit output synchronizes, it is also possible to reduce corresponding inspection
Survey cost.
In one embodiment, above-mentioned reception multiple test signal, respectively each test signal is carried out sequential replacement, raw
The process becoming the sequential processing signal that each test signal is corresponding may include that
Receive multiple test signal, obtain the time series in each test signal respectively；
Time series in each test signal is replaced with Goal time order sequence respectively, obtains each test signal corresponding
Sequential processing signal.
As an embodiment, above-mentioned Goal time order sequence can be the time series of any one test signal.
In the present embodiment, video acquisition unit receives multiple test signals, and the process carrying out respective handling respectively is permissible
As it is shown on figure 3, as it is shown on figure 3, the second video processing unit 202 ..., N video processing unit 20N will test signal respectively
Send and carry out sequential replacement to video acquisition unit 302, generate the sequential processing signal that each test signal is corresponding, and by multiple
Sequential processing signal is respectively sent to Video Transmission Unit 303 and is transmitted；In figure 3, the second video processing unit 202 will be surveyed
Trial signal ch1_pixclk/ch1_vs/ch1_hs/ch1_de/ch1_data sends to video acquisition unit 302, at N video
Reason unit 20N will test signal chN_pixclk/chN_vs/chN_hs/chN_de/chN_data and send to video acquisition unit
302, after video acquisition unit 302 receives above-mentioned test signal, the timing series of each test signal can be identified respectively, as
Ch1_pixclk/ch1_vs/ch1_hs/ch1_de in ch1_pixclk/ch1_vs/ch1_hs/ch1_de/ch1_data,
ChN_pixclk/chN_vs/chN_hs/chN_de/ in chN_pixclk/chN_vs/chN_hs/chN_de/chN_data,
Respectively each time series is replaced with the time series (Goal time order sequence) in any one test signal, such as chX_
Pixclk/chX_vs/chX_hs/chX_de/, above-mentioned Goal time order sequence is the time series of any one test signal, its
In, if chX is ch1, the most above-mentioned Goal time order sequence is ch1_pixclk/ch1_vs/ch1_hs/ch1_de/ch1_data, if
ChX is chN, and the most above-mentioned Goal time order sequence is chN_pixclk/chN_vs/chN_hs/chN_de/chN_data；Video is adopted
After collection unit 302 carries out sequential replacement to each test signal respectively, the sequential processing signal exported includes at the second video
The chX_pixclk/chX_vs/chX_hs/chX_de/ch1_data of reason unit 202 correspondence, and N video processing unit
The chX_pixclk/chX_vs/chX_hs/chX_de/chN_data that 20N is corresponding.
In one embodiment, can as shown in Figure 4, two video processing units to multi-display apparatus, second regards
Frequently processing unit the 202, the 3rd video processing unit 203, carries out exporting synchronicity detection, the second video processing unit 202 and the
Three video processing units 203 are video processing unit to be measured, and the first video processing unit 201 is non-for display test video information
Video processing unit to be measured.With reference to shown in Fig. 5, the second video processing unit 202 will test signal ch1_pixclk/ch1_vs/
Ch1_hs/ch1_de/ch1_data sends to video acquisition unit 302, and the 3rd video processing unit 203 will test signal ch2_
Pixclk/ch2_vs/ch2_hs/ch2_de/ch2_data sends to video acquisition unit 302, and video acquisition unit 302 receives
After above-mentioned test signal, the timing series of above-mentioned two test signal can be identified respectively, as right in the second video processing unit 202
The ch1_pixclk/ch1_vs/ch1_hs/ch1_de answered, and the ch2_ corresponding to the 3rd video processing unit 203
Pixclk/ch2_vs/ch2_hs/ch2_de, then above-mentioned two timing series is replaced with respectively the second video processing unit 202
Corresponding ch1_pixclk/ch1_vs/ch1_hs/ch1_de (Goal time order sequence), obtains the second video processing unit 202 right
The sequential processing signal ch1_pixclk/ch1_vs/ch1_hs/ch1_de/ch1_data answered, and the 3rd video processing unit
Sequential processing signal ch1_pixclk/ch1_vs/ch1_hs/ch1_de/ch2_data corresponding to 203, thus complete above-mentioned
The sequential of two test signals is replaced, and generates sequential processing signal, and is respectively sent to regard by above-mentioned two sequential processing signal
Frequently transmission unit 303 is transmitted.
In one embodiment, above-mentioned utilize multiple video processing unit to be measured to send test signal to video respectively to adopt
The step of collection unit may include that
Utilize multiple video processing unit to be measured to control corresponding display unit respectively and show same video, will export extremely
The video signal of respective display unit sends to video acquisition unit as test signal.
As an embodiment, above-mentioned target video processing unit is received the test of output after each sequential processing signal
Video information sends and shows to target display unit, and the test video information that described target display unit shows is used for detecting
Can also include after the step of the output synchronicity of each video processing unit to be measured:
The display progress of the detection multiple test video information shown by target display unit is the most consistent；
The most then judge that video processing unit to be measured output synchronizes；
If display progress is inconsistent, then judge that video processing unit to be measured output is asynchronous.
The present embodiment will play in same video be divided into multi-channel test signal send to video acquisition unit carry out time
Sequence is replaced, owing to above-mentioned multi-channel test signal display progress in the display unit that each video processing unit to be measured is corresponding is
The same, therefore, just can be realized by the display progress judging the multiple test video information shown by target display unit
Video processing unit to be measured output synchronicity detection, is effectively simplified detection process, it is ensured that the accuracy of detection.
In one embodiment, above-mentioned target video processing unit is received the test of output after each sequential processing signal
Video information sends the process carrying out showing to target display unit and may include that
After target video processing unit receives multiple sequential processing signals, control target video processing unit for each
Sequential processing signal is windowed at target display unit, obtains the display window that each sequential processing signal is corresponding；
Respectively in the test video information that the different sequential processing signal of each display window display is corresponding.
The present embodiment is windowed at target display unit, obtains the display window that each sequential processing signal is corresponding, exists respectively
Each display window above-mentioned carries out the display of different test video information, it is ensured that it is orderly that above-mentioned test video information shows
Property.
As an embodiment, above-mentioned target video processing unit is received the test of output after each sequential processing signal
Video information sends and shows to target display unit, and the test video information that described target display unit shows is used for detecting
Also include after the step of the output synchronicity of each video processing unit to be measured:
Whether the reference corresponding with corresponding test signal regards to detect the test video information that each display window shows respectively
Frequency is consistent；
The most then judge that video processing unit to be measured output synchronizes；
If it is not, then judge that video processing unit to be measured output is asynchronous.
Video corresponding to above-mentioned test signal can at display unit corresponding to multiple video processing units to be measured or
Person's other display equipment shows respectively, the reference video corresponding to obtain each test signal.Utilize above-mentioned reference video
Respectively corresponding test video information is detected, if the corresponding reference video of test video information is consistent, then judge
Video processing unit to be measured output synchronizes；Otherwise judge that video processing unit to be measured output is asynchronous.The present embodiment can pass through
Judge video jitter number, and/or video size ratio is the most consistent, to judge that test video information is consistent with reference video
Property.
As an embodiment, above-mentioned target video processing unit is received the test of output after each sequential processing signal
Video information sends and shows to target display unit, and the test video information that described target display unit shows is used for detecting
Also include after the step of the output synchronicity of each video processing unit to be measured:
Separately win the display characteristic information taking the test video information that each display window shows, it is judged that described display feature is believed
Whether breath belongs to preset range；Wherein said display characteristic information include jitter feature when test video information shows and/or
Size characteristic；
The most then judge that video processing unit to be measured output synchronizes；
If it is not, then judge that video processing unit to be measured output is asynchronous.
Above-mentioned preset range can be configured according to the particular content of display characteristic information.If display characteristic information includes
Jitter feature, the most above-mentioned preset range could be arranged to shake number of times less than or equal to 1 time；If display characteristic information includes size
Feature, the most above-mentioned preset range could be arranged to the scope that original size ratio value subtracts 0.5 and adds 0.5 to original size ratio value.
As an embodiment, above-mentioned regard in the test that each display window different sequential processing signal of display is corresponding respectively
Frequently also include before the step of information:
It is decoded each sequential processing signal respectively processing, obtains the test video that each sequential processing signal is corresponding
Information.
The present embodiment utilizes target video processing unit to be decoded each sequential processing signal respectively processing, and obtains each
The test video information that individual sequential processing signal is corresponding, then show accordingly, it is ensured that display quality, thus improve corresponding
Detection results.
With reference to shown in Fig. 6, Fig. 6 is the video processing unit output synchronicity detection of the multi-display apparatus of an embodiment
System structure schematic diagram, including:
Sending module 10, is used for utilizing multiple video processing unit to be measured to send test signal to video acquisition list respectively
Unit；
Generation module 20, for receiving multiple test signal in video acquisition unit, enters each test signal respectively
Row sequential is replaced, and generates the sequential processing signal that each test signal is corresponding, and is transmitted separately to by multiple sequential processing signals
Target video processing unit；Wherein, described above-mentioned target video processing unit is except Video processing to be measured in multi-display apparatus
Any one video processing unit outside unit；
Display module 30, the test video of output after target video processing unit is received each sequential processing signal
Information sends and shows to target display unit, and the test video information that described target display unit shows is used for detecting each
The output synchronicity of video processing unit to be measured.
The video processing unit output synchronicity detecting system of the multi-display apparatus that the present invention provides provides with the present invention
Multi-display apparatus video processing unit output synchronicity detection method one_to_one corresponding, regarding of described multi-display apparatus
Technical characteristic and beneficial effect thereof that the embodiment of the synchronicity detection method of processing unit output frequently illustrates all are applicable to many screen displays
In the embodiment of the video processing unit output synchronicity detecting system of showing device, hereby give notice that.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, not to above-mentioned reality
The all possible combination of each technical characteristic executed in example is all described, but, as long as the combination of these technical characteristics is not deposited
In contradiction, all it is considered to be the scope that this specification is recorded.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed, but also
Can not therefore be construed as limiting the scope of the patent.It should be pointed out that, come for those of ordinary skill in the art
Saying, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement, these broadly fall into the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. the video processing unit output synchronicity detection method of a multi-display apparatus, it is characterised in that include walking as follows
Rapid:
Multiple video processing unit to be measured is utilized to send test signal to video acquisition unit respectively；
Video acquisition unit receives multiple test signal, respectively each test signal is carried out sequential replacement, generate each
The sequential processing signal that test signal is corresponding, and multiple sequential processing signals are transmitted separately to target video processing unit；Its
In, described above-mentioned target video processing unit is any one video in addition to video processing unit to be measured in multi-display apparatus
Processing unit；
The test video information transmission of output after target video processing unit receives each sequential processing signal shows to target
Unit shows, the test video information that described target display unit shows is for detecting each video processing unit to be measured
Output synchronicity.
The video processing unit output synchronicity detection method of multi-display apparatus the most according to claim 1, its feature
It is, described reception multiple test signal, respectively each test signal is carried out sequential replacement, generate each test signal corresponding
The process of sequential processing signal include:
Receive multiple test signal, obtain the time series in each test signal respectively；
By each test signal in time series replace with Goal time order sequence respectively, obtain each test signal corresponding time
Sequence processes signal.
The video processing unit output synchronicity detection method of multi-display apparatus the most according to claim 2, its feature
Being, described Goal time order sequence is the time series of any one test signal.
The video processing unit output synchronicity detection method of multi-display apparatus the most according to claim 1, its feature
It is, described utilizes multiple video processing unit to be measured to be sent by test signal respectively to the step of video acquisition unit to include:
Utilize multiple video processing unit to be measured to control corresponding display unit respectively and show same video, will export to accordingly
The video signal of display unit sends to video acquisition unit as test signal.
The video processing unit output synchronicity detection method of multi-display apparatus the most according to claim 4, its feature
It is, described target video processing unit is received the test video information of output after each sequential processing signal send to target
Display unit shows, the test video information that described target display unit shows is used for detecting each Video processing list to be measured
Also include after the step of the output synchronicity of unit:
The display progress of the detection multiple test video information shown by target display unit is the most consistent；
The most then judge that video processing unit to be measured output synchronizes；
If display progress is inconsistent, then judge that video processing unit to be measured output is asynchronous.
The video processing unit output synchronicity detection method of multi-display apparatus the most according to claim 1, its feature
It is, described target video processing unit is received the test video information of output after each sequential processing signal send to target
The process that display unit carries out showing includes:
After target video processing unit receives multiple sequential processing signals, control target video processing unit for each sequential
Process signal to window at target display unit, obtain the display window that each sequential processing signal is corresponding；
Respectively in the test video information that the different sequential processing signal of each display window display is corresponding.
The video processing unit output synchronicity detection method of multi-display apparatus the most according to claim 6, its feature
It is, described target video processing unit is received the test video information of output after each sequential processing signal send to target
Display unit shows, the test video information that described target display unit shows is used for detecting each Video processing list to be measured
Also include after the step of the output synchronicity of unit:
Detect the reference video one that test video information that each display window shows is the most corresponding with corresponding test signal respectively
Cause；
The most then judge that video processing unit to be measured output synchronizes；
If it is not, then judge that video processing unit to be measured output is asynchronous.
The video processing unit output synchronicity detection method of multi-display apparatus the most according to claim 6, its feature
It is, described target video processing unit is received the test video information of output after each sequential processing signal send to target
Display unit shows, the test video information that described target display unit shows is used for detecting each Video processing list to be measured
Also include after the step of the output synchronicity of unit:
Separately win the display characteristic information taking the test video information that each display window shows, it is judged that described display characteristic information is
No belong to preset range；Wherein said display characteristic information includes jitter feature when test video information shows and/or size
Feature；
The most then judge that video processing unit to be measured output synchronizes；
If it is not, then judge that video processing unit to be measured output is asynchronous.
The video processing unit output synchronicity detection method of multi-display apparatus the most according to claim 6, its feature
It is, described also wraps before the step of test video information corresponding to each display window different sequential processing signal of display respectively
Include:
It is decoded each sequential processing signal respectively processing, obtains the test video letter that each sequential processing signal is corresponding
Breath.
10. the video processing unit output synchronicity detecting system of a multi-display apparatus, it is characterised in that including:
Sending module, is used for utilizing multiple video processing unit to be measured to send test signal to video acquisition unit respectively；
Generation module, for receiving multiple test signal in video acquisition unit, carries out sequential to each test signal respectively
Replace, generate each test sequential processing signal corresponding to signal, and multiple sequential processing signals are transmitted separately to target regard
Frequently processing unit；Wherein, described above-mentioned target video processing unit be in multi-display apparatus in addition to video processing unit to be measured
Any one video processing unit；
Display module, after target video processing unit is received each sequential processing signal, the test video information of output is sent out
Delivering to target display unit show, the test video information that described target display unit shows is used for detecting each and to be measured regards
Frequently the output synchronicity of processing unit.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610768152.5A CN106303451B (en) | 2016-08-30 | 2016-08-30 | The video processing unit output synchronism detection method and system of multi-display apparatus |
| PCT/CN2017/096269 WO2018040856A1 (en) | 2016-08-30 | 2017-08-07 | Method and system for detecting synchronisation of outputs of video processing units of multi-screen display apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610768152.5A CN106303451B (en) | 2016-08-30 | 2016-08-30 | The video processing unit output synchronism detection method and system of multi-display apparatus |
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| CN106303451A true CN106303451A (en) | 2017-01-04 |
| CN106303451B CN106303451B (en) | 2019-03-01 |
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| CN201610768152.5A Active CN106303451B (en) | 2016-08-30 | 2016-08-30 | The video processing unit output synchronism detection method and system of multi-display apparatus |
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| CN108900833A (en) * | 2018-07-17 | 2018-11-27 | 威创集团股份有限公司 | A kind of combination screen synch detection method, device, system and equipment |
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| WO2018040856A1 (en) | 2018-03-08 |
| CN106303451B (en) | 2019-03-01 |
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