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。
I've got a full-time job http://www.capitalcomre.com/stmap_64mvltdi.html?thyroxine.fertomid.levitra.tadalista benefits of triphala churna weight loss in hindi The shockwave through the nuclear industry has not subsided and Fukushima plant owner Tepco is still struggling to contain the consequences. Last month the firm said new spots of high radiation had been found near storage tanks holding highly contaminated water, raising fear of fresh leaks.
What's the last date I can post this to to arrive in time for Christmas? http://www.blackmanband.com/stmap_39dwanrs.html?clarinex.cenforce.loteprednol.levitra promethazine hoestdrank kind I needed a few more pillows for my bed makeover: Ones that would "stand proud," Garcia said. I purchased three additional queen pillows and decorative cases and one smaller pillow with the same case. Pillows you put your head on should lay flat, Garcia said, and all decorative pillows should stand up. I ended up with eight pillows total on my bed, but it made all the difference.
Canada>Canada http://narsg.uk/stmap_39bocxge.html?levitra.vasodilan.acillin pentasa 1g supositorio The gilded age of mooncakes was last year, when pastriesstuffed with gold flakes, shark's fin and abalone madeheadlines. In rural Shanxi province, gold-filled variations soldfor more than $1,000, local newspapers reported.
I'm sorry, I'm not interested https://www.singingriverretirement.com/stmap_21snbbax.html?viagra.mygra.carbamazepine fluvoxamine er coupons The Department of Justice and the U.S. Commodity FuturesTrading Commission have also both launched probes into the metalwarehousing businesses owned by Wall Street banks and otherlarge physical traders, which have been accused of driving upmetals prices.
What's your number? http://www.capitalcomre.com/stmap_64mvltdi.html?levitra.furoxone.eldepryl bupropiona infarmed preo Denverâs defense was ranked second in the NFL last season and was spearheaded by the pass-rushing duo of Miller and Elvis Dumervil, who had 11 sacks but bolted to Baltimore this spring after a deadline fax fiasco made him an unexpected free agent.
Sorry, I'm busy at the moment https://www.bridgetronic.com/stmap_21wizxfu.html?tazalis.levitra.aldara.levodopa flagyl 500 tablet nedir Most traces of the original house and gardens have vanished. In 1694, Evelyn moved back to Wotton, in Surrey, and rented out his London pad. His tenants were not ideal – first he let it to Captain (later Admiral) Benbow, scourge of the French. He also – as Evelyn complained in his letters – scourged Sayes Court's borders. Worse was to come a few years later, when the house was lent to Tsar Peter of Russia for three months, a stay which culminated in Evelyn being compensated £350 for damages – nearly £40,000 in today's money. Apparently the Tzar ruined some of Evelyn's prized holly hedges while being pushed around the garden in a wheelbarrow for fun.