CN103475952B - A kind of multimedia optimizes accuracy detection method - Google Patents
A kind of multimedia optimizes accuracy detection method Download PDFInfo
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- CN103475952B CN103475952B CN201310412476.1A CN201310412476A CN103475952B CN 103475952 B CN103475952 B CN 103475952B CN 201310412476 A CN201310412476 A CN 201310412476A CN 103475952 B CN103475952 B CN 103475952B
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Abstract
The invention discloses a kind of multimedia and optimize accuracy detection method, said method comprising the steps of: Media Stream sample input public affairs are put processing module, described public affairs arrange insertion tee element after putting processing module, the video flowing that described tee element output two-way is the same, one road flows into the processing module before optimizing, processing module after the input optimization of another road, two paths of data signal is co-flowed into comparison module and compares checking.The result the most then flows into subordinate's treatment element, and the result is incorrect, reports an error.The inventive method is simple, when two comparative results are shown as consistent, i.e. and the correctness of the assembly code of susceptible of proof hand-coding, can be continuing with.Further, this verification method participates in without artificial, save substantial amounts of cost of labor, and transmitting procedure simplifies stable, it is to avoid mass of redundancy data transmits the mistake that may bring.
Description
Technical field
The present invention relates to a kind of signal transmission optimization verification method, especially a kind of multimedia optimizes correctness detection
Method.
Background technology
Now, traditional multi-media signal transmitting procedure optimization is typically to rely on optimization focus function to realize, i.e.
Use the assembly code of hand-coding, replace the code that original compiler automatically generates, thus obtain focus letter
The performance leap of number.Reason is that the operational efficiency of the code that compiler automatically generates can not be compared and manual meticulously write
Code.
But, although the assembly code of manual compiling is significantly better than the generation that compiler automatically generates in operational efficiency
Code, but compiling procedure is the most loaded down with trivial details, and easily make mistakes.Compiling before how verifying the function after optimization and optimizing
On the code function that device automatically generates unanimously, a step for the most individual more difficulty.Currently more have employed people
Eye observational method, i.e. observes image or the video whether distortion of output after multimedia link optimizes, skips leaf and sentence
Fixed, not only need manually to participate in, add cost of labor, and very inaccuracy.
Summary of the invention
Goal of the invention: for the deficiencies in the prior art, applicant, through long-term practical exploration, devises one
Multimedia optimizes accuracy detection method.
Technical scheme: in order to realize foregoing invention purpose, the technical solution adopted in the present invention is: a kind of many matchmakers
Body optimizes accuracy detection method, and described multimedia is optimized for using the assembly code of hand-coding to replace original volume
Translate the code that device automatically generates, said method comprising the steps of:
1, Media Stream sample input public affairs being put processing module, described public affairs put outputting video streams after processing module；
2, described public affairs arrange insertion tee element after putting processing module, and described tee element output two-way is the same
Video flowing, one road flow into optimize before processing module, another road input optimize after processing module；
3, the two paths of data signal common stream that the processing module before described optimization and the processing module after optimization flow out
Enter comparison module and compare checking；
4, after described step 3 inner two paths of data signal compares checking, the result the most then flows into subordinate
Treatment element, the result is incorrect, reports an error.
Further, the public affairs in described step 1 put processing module for decoding and coding module.
Yet further, described comparison module uses memcmp comparison function.
Further, described comparison module uses when comparing data signal and compares by frame.One frame data
Be exactly one piece of region of memory, compare two frame data compare exactly two region of memorys whether as, first comparison domain
Length whether as, in the case of length is the same, the content comparing two region correspondence positions from the beginning to the end is
No unanimously.
Beneficial effect: compared with prior art, it provides the benefit that the present invention:
1, the inventive method is simple, when two comparative results are shown as consistent, i.e. and susceptible of proof hand-coding
The correctness of assembly code, can be continuing with；
2, this verification method participates in without artificial, saves substantial amounts of cost of labor, and transmitting procedure simplifies
Stable, it is to avoid mass of redundancy data transmits the mistake that may bring.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that a kind of multimedia of the present invention optimizes accuracy detection method.
Detailed description of the invention
Below by a most preferred embodiment, the technical program is described in detail, but the protection of the present invention
Scope is not limited to described embodiment.
As it is shown in figure 1, a kind of multimedia optimizes accuracy detection method, described multimedia is optimized for using by hand
The assembly code write replaces the code that original compiler automatically generates, and said method comprising the steps of:
A, by Media Stream sample input public affairs put processing module, described public affairs put outputting video streams after processing module；
B, described public affairs arrange insertion tee element after putting processing module, described tee element output two-way is the same
Video flowing, one road flow into optimize before processing module, another road input optimize after processing module；
The two paths of data signal common stream that processing module before c, described optimization and the processing module after optimization flow out
Enter comparison module and compare checking；
After in d, described step c, two paths of data signal compares checking, the result the most then flows into subordinate
Treatment element, the result is incorrect, reports an error.
Public affairs in described step a put processing module for decoding and coding module.
Described comparison module uses memcmp comparison function.
Use when data signal is compared by described comparison module and compare by frame.Specifically it is expressed as, frame data
Be exactly one piece of region of memory, compare two frame data compare exactly two region of memorys whether as, first comparison domain
Length whether as, in the case of length is the same, the content comparing two region correspondence positions from the beginning to the end is
No unanimously.The result the most then flows into subordinate's treatment element, and the result is inconsistent, reports an error.
During real work, the method reported an error can use pop-up window to inform to make mistakes.
The above is only the preferred embodiment of the present invention, it should be pointed out that: for the common skill of the art
For art personnel, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these
Improvements and modifications also should be regarded as protection scope of the present invention.
Claims (3)
1. multimedia optimizes an accuracy detection method, and described multimedia is optimized for using the assembly code of hand-coding
Replace the code that original compiler automatically generates, it is characterised in that: said method comprising the steps of:
A, by Media Stream sample input public affairs put processing module, described public affairs put outputting video streams after processing module, described public affairs
Put processing module for decoding and coding module；
B, described public affairs arrange insertion tee element after putting processing module, described tee element exports the video flowing that two-way is the same,
One road flows into the processing module before optimizing, the processing module after the input optimization of another road；
The two paths of data signal that processing module before c, described optimization and the processing module after optimization flow out is co-flowed into comparing
Module compares checking；
After in d, described step c, two paths of data signal compares checking, the result the most then flows into subordinate's processing elements
Part, the result is incorrect, reports an error.
A kind of multimedia the most according to claim 1 optimizes accuracy detection method, it is characterised in that: described ratio
Relatively module uses memcmp comparison function.
A kind of multimedia the most according to claim 2 optimizes accuracy detection method, it is characterised in that: described ratio
Use when data signal is compared by relatively module and compare by frame.
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| CN103475952B true CN103475952B (en) | 2016-09-28 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7050590B2 (en) * | 2000-12-18 | 2006-05-23 | Warner Music Group, Inc. | Method and apparatus for checking audio signals |
| CN101901322A (en) * | 2009-07-10 | 2010-12-01 | 卡巴斯基实验室封闭式股份公司 | Be used to detect the system and method for obfuscated malware |
| CN102203733A (en) * | 2008-10-30 | 2011-09-28 | 松下电器产业株式会社 | Compiling method and compiling program |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005346540A (en) * | 2004-06-04 | 2005-12-15 | Canon Inc | Information processor, data processing method, and storage medium with computer readable program stored thereon, and program |
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2013
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7050590B2 (en) * | 2000-12-18 | 2006-05-23 | Warner Music Group, Inc. | Method and apparatus for checking audio signals |
| CN102203733A (en) * | 2008-10-30 | 2011-09-28 | 松下电器产业株式会社 | Compiling method and compiling program |
| CN101901322A (en) * | 2009-07-10 | 2010-12-01 | 卡巴斯基实验室封闭式股份公司 | Be used to detect the system and method for obfuscated malware |
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Inventor after: Zhang Fuxin Inventor after: Wang Rui Inventor after: Wei Hairui Inventor after: Wu Shaogang Inventor before: Zhang Fuxin Inventor before: Chen Jie Inventor before: Wang Rui Inventor before: Wu Shaogang Inventor before: Zhang Bin Inventor before: Yan Hua |
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Effective date of registration: 20170628 Address after: 215500 Changshou City, Jiangsu Province, Dream Road, No., No. 8 Patentee after: Jiangsu Aerospace dragon dream Information Technology Co., Ltd. Address before: 215500 Jiangsu city of Suzhou province Changshou City Yushan Town Menglan Village Patentee before: Jiangsu Lemote Technology Corporation Limited |
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