最近做了一个外包项目，在mt6261上实现二维码的展示和扫码功能……
最近做了一个外包项目，在mt6261上实现二维码的展示和扫码功能。
拒绝造轮子，所以当然要选择开源库。
由于是mtk功能机平台，只支持c，所以c++和java什么的就不考虑了。
二维码的编码，选择了qrencode，这个移植比较简单，不多说。
二维码的扫描算法，走了一些弯路。一开始根据网上的扫描算法速度对比，选择了quirc。但是移植好了实际上机测试，完全不是那回事，速度慢的要死，十几秒没反应，机器直接重启了。查了下原因，才发现，原来它使用了浮点算法，而mt6261根本就不支持硬件浮点计算，是用的软浮点，怪不得这么慢！
最后选择了zbar，并进行了裁剪和优化，运行效果良好，不到0.5秒就能完成从扫描到识别出二维码的操作。
源码就不贴出来了，外包项目，代码还是要适当保密。
博文最后更新时间：
评论
发表评论
个人资料
姓名：李杰。
爱好：编程，慢跑。
2001年来北京发展，从事软件开发17年。
文曲星Lava语言的创造者。
Iava&LavaX跨平台语言的发明者。
Mirage引擎之父。
手机拳皇97高清版主程序。
Can I use your phone? http://highhalstow.org.uk/stmap_39bocxge.html?furazolidone.mircette.levitra orlistat ultrafarma bula Petr Zemcik, director of European economics at Moody'sAnalytics in London, is penciling in marginal growth in thefinal three months of 2013, but expects output for the year as awhole to drop by 0.5 percent.
I'm on a course at the moment https://www.gmfnouvellebeauce.com/stmap_39dykkca.html?viagra.tromethamine.viramune.compazine enalapril farmacias similares SIR – With regard to the lack of public lavatories, I would commend the excellent Community Toilet Scheme, run by Ribble Valley borough council here, and many other local councils across the country.
Canada>Canada http://wordpressatlanta.com/stmap_64kncqzz.html?levitra.detrol.fexofenadine.glucotrol piroxicam dosage for adults This isnât about whether or not he has the resources to mount this kind of defense, because of course he has the resources and of course he is allowed to defend himself to the end. And it isnât about what kind of weasel you think Anthony Bosch is, though Bosch being that kind of weasel raises the question of why Rodriguez was in business with him in the first place.
How much is a First Class stamp? https://www.sanhisoc.es/stmap_64mvltdi.html?atorlip.serpina.cialis benzac ac 5 gel products Under pressure from members of their own party, religious groups and Hispanics, House Republicans are bucking their traditional position of opposing citizenship for illegal immigrants, saying those children should be given a reprieve.
It's funny goodluck https://freelancecomputers.com/stmap_21ojktcc.html?colchicine.levitra.glyset aciclovir tablets india The Sinai is largely demilitarised under the 1979 accord butEgypt, in coordination with Israel, has been increasing thetroop presence there to tackle jihadis and arms traffic toPalestinians in the neighbouring Gaza Strip.
How much will it cost to send this letter to ? https://freelancecomputers.com/stmap_21ojktcc.html?estrace.secnidazole.viagra aricept price in nigeria "We reviewed our plans after the (botulism) crisis. Wereviewed whether we should delay it, and we said 'No', so it'sfull steam ahead," Spierings said, adding he was stepping upFonterra's China expansion, prioritising growth in its consumerbrands and food services there over other regions.