CN102348125A - Video data reception system verification method and apparatus thereof - Google Patents
Video data reception system verification method and apparatus thereof Download PDFInfo
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- CN102348125A CN102348125A CN2010102406346A CN201010240634A CN102348125A CN 102348125 A CN102348125 A CN 102348125A CN 2010102406346 A CN2010102406346 A CN 2010102406346A CN 201010240634 A CN201010240634 A CN 201010240634A CN 102348125 A CN102348125 A CN 102348125A
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Abstract
The invention relates to a circuit verification apparatus, and discloses a video data reception system verification method and an apparatus thereof. In the invention, according to a verification requirement, a video data to be tested reception system is subjected to random configuration, and according to configuration information, with constraint of a related video protocol, test data is generated automatically. The video data to be tested reception system and a verification model carry out parsing and transmission processing on the test data respectively, and through comparing processing result data of the system and the model, a verification result of a video data reception system is obtained. Thus realization of verification of the video data reception system is facilitated, artificial intervention of verification personnel is minimized, and a high verification coverage rate is easy to realize.
Description
Technical field
The present invention relates to circuit testing apparatus, particularly the automatic verification technique of video data receiving system.
Background technology
In recent years, the video data receiving system has been widely used in the various logic chip.Along with the video format of chip system support is on the increase, the processing procedure of video data becomes increasingly complex, and at circuit design stage the video data receiving system is carried out reliable and efficient checking and has become more and more important.
At present, a kind of routine to the demo plant of video data receiving system as shown in Figure 1, the external video data source among Fig. 1 is selected according to the corresponding test program of different test cases by the checking personnel.Video data receiving system to be measured (the video data receiving system that promptly need verify; Typically form by data resolution module and data transmission module) direct receiving video data from the external video data source; After the processing of configuration according to test program, storage is arrived system storage model to be measured through data resolution module and data transmission module.The simultaneous verification personnel select corresponding data processing reference model according to the corresponding test program of different test cases, and (the data processing reference model is according to design specification and the functional mode of associated video agreement with software approach (typically like the C language) realization; With treat examining system and realize identical function); The data processing reference model receives data from the external video data source, data are handled accordingly and result data is stored in the reference data storage device model according to the configuration and the related protocol of test program.After the Data Receiving of each unit data quantity (typically being unit with the frame) is accomplished; Respectively the data read in system storage model to be measured and the reference data storage device model is taken as text, through the two being compared the correctness of verification system function with the text comparator.
Yet the present inventor finds, the following problem of above-mentioned demo plant:
(1) efficient is not high: the whole verification process full automation of being unrealized; Need more manual intervention (switch the external video data source and select the data processing reference model according to different test cases like needs checking personnel, with the text comparator result data is compared etc.).
(2) debug difficulties: find to be difficult for defective is carried out accurate in locating (typical, as to be difficult to confirm that according to the data comparative result defective occurs in data resolution module or data transmission module) behind the circuit defect.
(3) be difficult for realizing higher checking coverage rate: because above-mentioned demo plant is to generate all test cases by the checking personnel; Verify according to given test case then; If desired to all possible video data source with treat that the mode of operation of examining system compares comprehensive covering; Need a lot of test cases of the artificial generation of checking personnel, the cost that is spent will be bigger.
Summary of the invention
The object of the present invention is to provide a kind of verification method and device thereof of video data receiving system,, checking personnel's manual intervention is minimized, and realize higher checking coverage rate easily with the convenient checking that realizes the video data receiving system.
For solving the problems of the technologies described above, execution mode of the present invention provides a kind of verification method of video data receiving system, comprises following steps:
Be configured according to the data parsing pattern and the data-transmission mode of checking demand video data receiving system to be measured;
According to information configured and the video protocols relevant, generate test data at random, and the test data that generates is sent to video data receiving system and verification model with this information configured;
Video data receiving system and verification model are resolved and transmission process test data respectively;
Through result data after relatively the video data receiving system is handled and the result data after the verification model processing, obtain the checking result of video data receiving system.
Execution mode of the present invention also provides a kind of demo plant of video data receiving system, comprises video data receiving system to be measured, also comprises:
Dispensing unit is used for being configured according to the data parsing pattern and the data-transmission mode of checking demand to video data receiving system to be measured;
The arbitrary excitation generator; Be used for according to dispensing unit information configured and the video protocols relevant with this information configured; Generate test data at random; And the test data that generates sent to the video data receiving system, trigger this video data receiving system test data is resolved and transmission process;
The verification model unit is used for the test data that the arbitrary excitation generator generates is resolved and transmission process;
Comparing unit, result data after being used for comparison video data receiving system and handling and the result data after the verification model cell processing obtain the checking result of video data receiving system.
Embodiment of the present invention compared with prior art, the main distinction and effect thereof are:
According to the checking demand video data receiving system to be measured is carried out random arrangement, then according to configuration information under the constraint of associated video agreement, generate test data automatically.Respectively test data is resolved and transmission process by video data receiving system to be measured and verification model,, obtain the checking result of video data receiving system through comparing both result data.Because test data is to produce at random under the constraint of associated video agreement according to configuration information; Therefore use convenient; Need not the checking personnel and change video data source according to test case; And be easy to realize much to verify personnel artificial generate consider less than test case, thereby realize higher checking coverage rate easily.In addition,, checking personnel's manual intervention is minimized, under identical human cost, be easier to move the substantive test use-case so compare with existing verification method because whole verification process realized full automation basically.
Further, when generating test data at random, the test point that test frame covered that has generated is added up, when all test points all are capped, stop the generation of test frame, the test frame of generation constitutes test data.Because the test data that generates has covered all test points, can guarantee that therefore the test point checking coverage rate of video data receiving system is 100%.
Further; Behind test frame of every generation; Judge whether be coated with at least one former test point that is not capped in this newly-generated test frame,, then abandon this newly-generated test frame if do not cover at least one former test point that is not capped in this newly-generated test frame.Guaranteeing that each test frame all at least newly covers a test point, thereby further improve testing efficiency.
Further; Comprise data parsing model and map addresses model in the verification model; After the video data receiving system is carried out dissection process to test data; Data after the video data receiving system resolved test data, the data after with the data parsing model test data being resolved compare.Owing to except final result is compared, also added checking to data parsing module result data.Behind the discovery circuit defect, be easy to defective is carried out accurate in locating like this, clear and definite defective locations is in the data resolution module in the video data receiving system, still in the data transmission module in the video data receiving system.
Further, the data after the video data receiving system resolved test data and the data parsing model data after to the test data parsing are mapped as identical data structure.Data requirement through after will resolving turns to the unified data structure, can conveniently realize mating automatically and comparing, and is typical; Search algorithm through certain and find frame number; The row sequence number data item all identical with the row sequence number compares data, and output comparative result file.And; Owing to comprise the data item number that comparing data is identical in the comparative result file; The data item number that comparing data is inequality, (typical data item information comprises frame number to comparing data data item information inequality, the row sequence number; Row sequence number and generation time etc.); Therefore, in proof procedure, after the discovery defective, can locate (typically can navigate to which frame to defective fast and accurately through analyzing the comparative result file; Which, the pixel of which row is made mistakes).
Description of drawings
Fig. 1 is the demo plant sketch map according to video data receiving system of the prior art;
Fig. 2 is the verification method flow chart according to the video data receiving system of first embodiment of the invention;
Fig. 3 is the verification method sketch map according to the video data receiving system of first embodiment of the invention;
Fig. 4 is the sketch map that generates test data according to arbitrary excitation generator in the first embodiment of the invention;
Fig. 5 is according to the data parsing model sketch map in the first embodiment of the invention;
Fig. 6 is according to the map addresses model sketch map in the first embodiment of the invention;
Fig. 7 is the verification method sketch map according to the video data receiving system of second embodiment of the invention;
Fig. 8 is the demo plant structural representation according to the video data receiving system of four embodiment of the invention.
Embodiment
In following narration, many ins and outs have been proposed in order to make the reader understand the application better.But, persons of ordinary skill in the art may appreciate that even without these ins and outs with based on the many variations and the modification of following each execution mode, also can realize each claim of the application technical scheme required for protection.
For making the object of the invention, technical scheme and advantage clearer, will combine accompanying drawing that execution mode of the present invention is done to describe in detail further below.
First embodiment of the invention relates to a kind of verification method of video data receiving system, and idiographic flow as shown in Figure 2.
In step 210, be configured according to the data parsing pattern and the data-transmission mode of checking demand to video data receiving system to be measured.
Specifically; As shown in Figure 3; According to the checking demand data parsing pattern (corresponding to the mode of operation of data resolution module) and the data-transmission mode (corresponding to the mode of operation of data transmission module) of system carried out random arrangement through random test program, being meant at random in the concrete system specification here requires under the constraint at random.
Then, in step 220,, generate test data at random, and the test data that generates is sent to video data receiving system and verification model according to information configured and the video protocols relevant with this information configured.
Specifically, as shown in Figure 3,, and send the configuration information that monitors to the arbitrary excitation generator by the configuring condition of software arrangements monitor random test program to video data receiving system to be measured.According to information configured and the video protocols relevant, generate test data by the arbitrary excitation generator at random with this configuration information.The detailed process of arbitrary excitation generator generation test data as shown in Figure 4; The constraint that produces corresponding data and clock signal according to configuration information and associated video agreement; Under the constraint of data that generate and clock signal, generate corresponding data and the clock signal that satisfies constraints respectively.Data that generate and clock signal constitute test frame, and all test frames constitute test data.
Need to prove in this execution mode, the controlling mechanism of a covering points is arranged in the arbitrary excitation generator, under the prerequisite that guarantees testing efficiency, accomplish covering at least all test points.
Such as test point can be 7 resolution test points and 4 quality of colour test points, and 7 test points of resolution are: 600 * 800,960 * 600,1024 * 768,1280 * 720,1280 * 768,1280 * 800,1280 * 1024; 4 test points of quality of colour are: 8, and 16,24,32.Therefore,, just covered two test points,, just covered a test point more if the next test frame that generates is 960 * 600 (32) if the test frame that generates is 960 * 600 (16).Therefore in this execution mode, need add up the test point that test frame covered that has generated, when all test points all are capped, stop the generation of test frame, the test frame of generation constitutes test data.Because the test data that generates has covered all test points, can guarantee that therefore the test point checking coverage rate of video data receiving system is 100%.
Can find,, need 7 * 4=28 test frame if cover fully, if but as long as cover all test points, maybe be as long as 7 test frames be just passable.Owing to generate at random, may surpass 7 test frames, but be less than 28 test frames.Certainly, because test frame generates at random, the combination of test point may be identical in two test frames, and if any this situation, the test frame after can being discarded in is to guarantee testing efficiency.In addition, be appreciated that in practical application, also can confirm the test point coverage rate according to actual needs, such as the test point coverage rate be set to 95%, so as long as after 95% test point is capped, can stop the generation of test frame.
Then, in step 230, video data receiving system to be measured and verification model are resolved and transmission process test data respectively.Specifically; As shown in Figure 3; The video data receiving system includes data resolution module and data transmission module; Include data parsing model and map addresses model in the verification model; Wherein, The function that the data parsing model is realized is identical with the function that the data resolution module of treating in the examining system is realized, the function that the map addresses model is realized is identical with the function that the data transmission module of treating in the examining system is realized.
Video data receiving system to be measured after the processing of configuration through data resolution module and data transmission module according to test program, stores result data in the system storage model to be measured into after arbitrary excitation generator acceptance test data.Data parsing model in the verification model is resolved test data, and result data is sent to the map addresses model according to design specification, information configured and the video protocols relevant with this configuration information of video data receiving system to be measured.That is to say that the software arrangements monitor also needs to send the configuration information that monitors in the verification model data parsing model.Typical data parsing model as shown in Figure 5, the data parsing mode selection module is sent arbitrary excitation into corresponding pattern algorithm module according to software configuration information, obtains the data parsing result data after the processing through the pattern algorithm module.According to the design specification of video data receiving system to be measured, information configured and the mapping algorithm relevant data after resolving are carried out addressing by the map addresses model with this configuration information.That is to say that the software arrangements monitor also needs to send the configuration information that monitors in the verification model map addresses model.With the similar of typical data analytic modell analytical model, typical map addresses model as shown in Figure 6.Data-transmission mode selects module to select corresponding map addresses algoritic module that data analysis result data are carried out addressing according to software configuration information, obtains memory address and corresponding data and is stored in the verification environment memory model.This shows that alleged transfer of data is actually a memory mechanism in this execution mode, that is to say, produce a specific address, then storage is arrived this address.
Then, in step 240,, obtain the checking result of video data receiving system through result data after the video data receiving system processing more to be measured and the result data after the verification model processing.
Specifically; As shown in Figure 3; Because in step 230; Stored the result data after video data receiving system to be measured is handled test data in the system storage model to be measured; Stored the result data after verification model is handled test data in the verification environment memory model; Therefore; In this step; Read the data in system storage model to be measured and the verification environment memory model respectively and it is compared (typically from the lowest address of memory model until superlatively location) and (typically the comparative result file comprises the data item number that comparing data is identical to generate the comparative result file one by one by storage data automatic comparator; The data item number that comparing data is inequality, data item address that comparing data is inequality and data etc.).
Be not difficult to find; In this execution mode; Because the test data that the arbitrary excitation generator generates is to produce at random under the constraint of associated video agreement according to configuration information; Therefore use convenient; Need not the checking personnel and change video data source according to test case; And be easy to realize much to verify personnel artificial generate consider less than test case, thereby realize higher checking coverage rate easily.In addition, because whole verification process realized full automation basically, checking personnel's manual intervention is minimized.The checking personnel verify the video data receiving system only needs the artificial random test program that is used for video data receiving system to be measured is carried out the machine configuration that generates; And the test case sum and the opening device of one-time authentication needs operations be set according to the checking demand; In addition whole verification process need not manual intervention basically, can accomplish the checking and the output destination file of all test cases automatically.So compare with existing verification method and under identical human cost, to be easier to move the substantive test use-case.
Second embodiment of the invention relates to a kind of verification method of video data receiving system.Second execution mode improves on the basis of first execution mode, and main improvements are:
After video data receiving system to be measured was carried out dissection process to test data, with the analysis result data, the data after with data parsing model in the verification model test data being resolved compared.Before comparing, the data after data after the video data receiving system need being resolved test data and data parsing model are resolved test data are mapped as identical data structure.Data requirement through after will resolving turns to the unified data structure, can conveniently realize mating automatically and comparing, and is typical; Search algorithm through certain and find frame number; The row sequence number data item all identical with the row sequence number compares data, and output comparative result file.Comprise the data item number that comparing data is identical in the comparative result file; The data item number that comparing data is inequality; (typical data item information comprises frame number to comparing data data item information inequality; The row sequence number; Row sequence number and generation time etc.); With convenient (typically can navigate to which frame, which, the pixel of which row is made mistakes) defective is located fast and accurately.
Specifically; As shown in Figure 7; Data resolution module result data monitor is treated the result data of data resolution module output in the examining system; And its specification turned to unified data structure (data structure of sending into the automatic comparator of data parsing result data with the data parsing model is identical), the analysis result data after will standardizing are subsequently sent into the automatic comparator of data parsing result data.
The automatic comparator of data parsing result data mates the data that data parsing model and data resolution module result data monitor are sent into and compares (typical automatically; Search algorithm through certain and find frame number; The row sequence number data item all identical with the row sequence number; Data are compared), and output comparative result file.Typically, the comparative result file comprises the data item number that comparing data is identical, the data item number that comparing data is inequality, the data item information (typical data item information comprises frame number, row sequence number, row sequence number and generation time etc.) that comparing data is inequality.After in proof procedure, finding defective, can locate fast and accurately defective through analyzing the comparative result file (typically can navigate to which frame, which, the pixel of which row is made mistakes).
This shows; This execution mode is to the design feature (being made up of data resolution module and data transmission module usually) of video data receiving system; The scheme of in continuing to use prior art, the data that finally store in the memory being verified, also added checking to data parsing module result data.Behind the discovery circuit defect, be easy to defective is carried out accurate in locating like this.Typically; Can clearly locate defective with storage data comparative result file and be positioned at data resolution module or data transmission module through analyzing data parsing result data comparative result file respectively, for example: storage data comparative result file is inconsistent if data parsing result data comparison document is in full accord can be with defect location to data transmission module.In addition,, which frame defect pixel accurately can be navigated to through analysis if data parsing result data comparative result file is inconsistent, which, which row.
Third embodiment of the invention relates to a kind of verification method of video data receiving system.The 3rd execution mode has further been done improvement on the basis of second execution mode, main improvements are:
The arbitrary excitation generator is when generating test data at random; Behind test frame of every generation; Judge and whether be coated with at least one former test point that is not capped in this newly-generated test frame; If do not cover at least one former test point that is not capped in this newly-generated test frame, then abandon this newly-generated test frame.Guaranteeing that each test frame all at least newly covers a test point, thereby further improve testing efficiency.
Need to prove that each method execution mode of the present invention all can be realized with modes such as software, hardware, firmwares.No matter the present invention be with software, hardware, or the firmware mode realize; Instruction code can be stored in the memory of computer-accessible of any kind (for example permanent or revisable; Volatibility or non-volatile; Solid-state or non-solid-state, fixing perhaps removable medium or the like).Equally; Memory can for example be programmable logic array (Programmable ArrayLogic; Be called for short " PAL "); Random access memory (Random Access Memory; Be called for short " RAM "); Programmable read only memory (Programmable Read Only Memory; Be called for short " PROM "); Read-only memory (Read-Only Memory; Be called for short " ROM "); Electrically Erasable Read Only Memory (Electrically Erasable Programmable ROM; Be called for short " EEPROM "); Disk; CD; Digital versatile disc (Digital Versatile Disc is called for short " DVD ") or the like.
Four embodiment of the invention relates to a kind of demo plant of video data receiving system.As shown in Figure 8, the demo plant of this video data receiving system comprises video data receiving system to be measured (comprising data resolution module and data transmission module in the video data receiving system to be measured), dispensing unit, arbitrary excitation generator, verification model unit and comparing unit.
Specifically, dispensing unit is used for being configured according to the data parsing pattern and the data-transmission mode of checking demand to video data receiving system to be measured.The arbitrary excitation generator is used for according to dispensing unit information configured and the video protocols relevant with this information configured; Generate test data at random; And the test data that generates sent to the video data receiving system, trigger this video data receiving system test data is resolved and transmission process.The verification model unit is used for the test data that the arbitrary excitation generator generates is resolved and transmission process.Result data that comparing unit is used for comparison video data receiving system after handling and the result data after the verification model cell processing obtain the checking result of video data receiving system.
Wherein, the arbitrary excitation generator is added up the test point that test frame covered that has generated when generating test data at random, when all test points all are capped, stops the generation of test frame, and the test frame of generation constitutes test data.
The verification model unit comprises data parsing model and map addresses model.The data parsing model is used for test data is resolved, and the data after will resolving sending to the map addresses model according to the design specification of video data receiving system to be measured, dispensing unit information configured and the video protocols relevant with this information configured.The map addresses model is used for according to the design specification of video data receiving system to be measured, dispensing unit information configured and the mapping algorithm relevant with this information configured the data after resolving being carried out addressing, obtains memory address and corresponding data.
Be not difficult to find that first execution mode is and the corresponding method execution mode of this execution mode, this execution mode can with the enforcement of working in coordination of first execution mode.The correlation technique details of mentioning in first execution mode is still effective in this execution mode, in order to reduce repetition, repeats no more here.Correspondingly, the correlation technique details of mentioning in this execution mode also can be applicable in first execution mode.
Fifth embodiment of the invention relates to a kind of demo plant of video data receiving system.The 5th execution mode improves on the basis of the 4th execution mode, and main improvements are: the demo plant of video data receiving system also comprises:
Data parsing is comparing unit as a result, is used for after the video data receiving system is carried out dissection process to test data, and the data after the video data receiving system is resolved test data, the data after with the data parsing model test data being resolved compare.
Wherein, comparing unit is when comparing the data after resolving as a result in data parsing, and the data after the video data receiving system resolved test data and the data parsing model data after to the test data parsing are mapped as identical data structure.
The comparative result of the data after the parsing comprises the data item number that comparing data is identical, the data item number that comparing data is inequality, the data item information that comparing data is inequality.
Be not difficult to find that second execution mode is and the corresponding method execution mode of this execution mode, this execution mode can with the enforcement of working in coordination of second execution mode.The correlation technique details of mentioning in second execution mode is still effective in this execution mode, in order to reduce repetition, repeats no more here.Correspondingly, the correlation technique details of mentioning in this execution mode also can be applicable in second execution mode.
Sixth embodiment of the invention relates to a kind of demo plant of video data receiving system.The 6th execution mode has further been done improvement on the basis of the 5th execution mode, main improvements are:
The arbitrary excitation generator is when generating test data at random; Behind test frame of every generation; Judge and whether be coated with at least one former test point that is not capped in this newly-generated test frame; If do not cover at least one former test point that is not capped in this newly-generated test frame; Then abandon this newly-generated test frame, with further raising testing efficiency.
Be not difficult to find that the 3rd execution mode is and the corresponding method execution mode of this execution mode, this execution mode can with the enforcement of working in coordination of the 3rd execution mode.The correlation technique details of mentioning in the 3rd execution mode is still effective in this execution mode, in order to reduce repetition, repeats no more here.Correspondingly, the correlation technique details of mentioning in this execution mode also can be applicable in the 3rd execution mode.
Need to prove; Each unit of mentioning in each equipment execution mode of the present invention all is a logical block; Physically; A logical block can be a physical location; It also can be the part of a physical location; Can also realize that the physics realization mode of these logical blocks itself is not most important with the combination of a plurality of physical locations, the combination of the function that these logical blocks realized is the key that just solves technical problem proposed by the invention.In addition, for outstanding innovation part of the present invention, above-mentioned each the equipment execution mode of the present invention will not introduced with solving the not too close unit of technical problem relation proposed by the invention, and this does not show that there is not other unit in the said equipment execution mode.
Though through reference some preferred implementation of the present invention; The present invention is illustrated and describes; But those of ordinary skill in the art should be understood that and can do various changes to it in the form and details, and without departing from the spirit and scope of the present invention.
Claims (14)
1. the verification method of a video data receiving system is characterized in that, comprises following steps:
Be configured according to the data parsing pattern and the data-transmission mode of checking demand video data receiving system to be measured;
According to said information configured and the video protocols relevant, generate test data at random, and the test data that generates is sent to said video data receiving system and verification model with this information configured;
Said video data receiving system and said verification model are resolved and transmission process said test data respectively;
Through result data after the more said video data receiving system processing and the result data after the processing of said verification model, obtain the checking result of said video data receiving system.
2. the verification method of video data receiving system according to claim 1; It is characterized in that; In the said step that generates test data at random; The test point that test frame covered to having generated is added up; When all test points all are capped; Stop the generation of test frame, the test frame of generation constitutes said test data.
3. the verification method of video data receiving system according to claim 2; It is characterized in that; In the said step that generates test data at random; Behind test frame of every generation; Judge and whether be coated with at least one former test point that is not capped in this newly-generated test frame; If do not cover at least one former test point that is not capped in this newly-generated test frame, then abandon this newly-generated test frame.
4. according to the verification method of each described video data receiving system in the claim 1 to 3, it is characterized in that said verification model is resolved in the step with transmission process said test data, comprises following substep:
Data parsing model by in the said verification model is resolved said test data; And the data after will resolving send to the map addresses model in the said verification model; By said map addresses model the data after resolving are carried out addressing, obtain memory address and corresponding data.
5. the verification method of video data receiving system according to claim 4 is characterized in that, also comprises following steps:
After said video data receiving system is carried out dissection process to said test data; Data after said video data receiving system resolved said test data, the data after with the data parsing model in the said verification model said test data being resolved compare.
6. the verification method of video data receiving system according to claim 5 is characterized in that, in the said step that data after resolving are compared, comprises following substep:
Data after data after said video data receiving system resolved said test data and said data parsing model are resolved said test data are mapped as identical data structure;
The comparative result of the data after the parsing comprises the data item number that comparing data is identical, the data item number that comparing data is inequality, the data item information that comparing data is inequality.
7. the verification method of video data receiving system according to claim 4 is characterized in that, the data parsing model in the said verification model is resolved said test data in the following manner:
Said data parsing model is resolved said test data according to the design specification of video data receiving system to be measured, said information configured and the video protocols relevant with this information configured;
Map addresses model in the said verification model carries out addressing to the data after resolving in the following manner:
Said map addresses model carries out addressing according to the design specification of video data receiving system to be measured, said information configured and the mapping algorithm relevant with this information configured to the data after resolving.
8. the demo plant of a video data receiving system comprises video data receiving system to be measured, it is characterized in that, also comprises:
Dispensing unit is used for being configured according to the data parsing pattern and the data-transmission mode of checking demand to video data receiving system to be measured;
The arbitrary excitation generator; Be used for according to information configured described in the said dispensing unit and the video protocols relevant with this information configured; Generate test data at random; And the test data that generates sent to said video data receiving system, trigger this video data receiving system said test data is resolved and transmission process;
The verification model unit is used for the said test data that said arbitrary excitation generator generates is resolved and transmission process;
Comparing unit is used for result data and the result data after the said verification model cell processing after more said video data receiving system is handled, obtains the checking result of said video data receiving system.
9. the demo plant of video data receiving system according to claim 8; It is characterized in that; Said arbitrary excitation generator is when generating test data at random; The test point that test frame covered to having generated is added up; When all test points all are capped; Stop the generation of test frame, the test frame of generation constitutes said test data.
10. the demo plant of video data receiving system according to claim 9; It is characterized in that; Said arbitrary excitation generator is when generating test data at random; Behind test frame of every generation; Judge and whether be coated with at least one former test point that is not capped in this newly-generated test frame; If do not cover at least one former test point that is not capped in this newly-generated test frame, then abandon this newly-generated test frame.
11. the demo plant of each described video data receiving system in 10 is characterized in that said verification model unit comprises data parsing model and map addresses model according to Claim 8;
Said data parsing model is used for said test data is resolved, and the data after will resolving send to said map addresses model;
Said map addresses model is used for the data after resolving are carried out addressing, obtains memory address and corresponding data.
12. the demo plant of video data receiving system according to claim 11 is characterized in that, the demo plant of said video data receiving system also comprises:
Data parsing is comparing unit as a result; Be used for after said video data receiving system is carried out dissection process to said test data; Data after said video data receiving system resolved said test data, the data after with said data parsing model said test data being resolved compare.
13. the demo plant of video data receiving system according to claim 12; It is characterized in that; Said data parsing as a result comparing unit when the data after resolving are compared; Data after data after said video data receiving system resolved said test data and said data parsing model are resolved said test data are mapped as identical data structure;
The comparative result of the data after the parsing comprises the data item number that comparing data is identical, the data item number that comparing data is inequality, the data item information that comparing data is inequality.
14. the demo plant of video data receiving system according to claim 11 is characterized in that, said data parsing model is resolved said test data in the following manner:
Said data parsing model is resolved said test data according to information configured described in the design specification of video data receiving system to be measured, the said dispensing unit and the video protocols relevant with this information configured;
Said map addresses model carries out addressing to the data after resolving in the following manner:
Said map addresses model carries out addressing with the mapping algorithm relevant with this information configured to the data after resolving according to information configured described in the design specification of video data receiving system to be measured, the said dispensing unit.
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| CN103698489A (en) * | 2013-12-30 | 2014-04-02 | 力合科技（湖南）股份有限公司 | Verification method and device of test data |
| CN104079920A (en) * | 2013-03-25 | 2014-10-01 | 安凯(广州)微电子技术有限公司 | Method and device for verifying image acquisition and processing |
| CN104079921A (en) * | 2013-03-25 | 2014-10-01 | 安凯(广州)微电子技术有限公司 | Method and device for verifying image acquisition and processing |
| CN109522565A (en) * | 2017-09-18 | 2019-03-26 | 深圳市中兴微电子技术有限公司 | A kind of verification method, device and computer readable storage medium |
| CN111402658A (en) * | 2019-01-03 | 2020-07-10 | 福建天泉教育科技有限公司 | Method and terminal for automatically checking answering system |
| CN115758987A (en) * | 2022-11-24 | 2023-03-07 | 杭州爱芯元智科技有限公司 | Video input interface verification system and verification method |
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