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 <title><![CDATA[急：V4L2罗技C270图像采集大小设置]]></title>
 <link><![CDATA[http://www.aiothome.net/read.php?tid=82485]]></link>
 <description><![CDATA[Latest 20 replies of 急：V4L2罗技C270图像采集大小设置]]></description>
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 <title><![CDATA[回 11楼(yncxzdy) 的帖子]]></title>
 <description><![CDATA[楼主，你后来换了什么型号的开发板？]]></description>
 <link><![CDATA[http://www.aiothome.net/read.php?tid=82485#351697]]></link>
 <author><![CDATA[飞翔的企鹅]]></author>
 <category><![CDATA[Linux技术交流区]]></category>
 <pubdate><![CDATA[Sun, 21 May 2017 02:30:21 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[楼主你好，我在网上随便找了个V4L2的USB摄像头采集一张图片的程序，为什么程序能运行。采集的图片打不开呢？弄了好久了不知道啥原因。请楼主指点 [s:12]]]></description>
 <link><![CDATA[http://www.aiothome.net/read.php?tid=82485#310381]]></link>
 <author><![CDATA[ch384380728]]></author>
 <category><![CDATA[Linux技术交流区]]></category>
 <pubdate><![CDATA[Thu, 30 Apr 2015 03:04:52 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[不是摄像头的问题，罗技C270的分辨率，可以查到官方的数据，PC上也试过是可以的，后来换了板子也是可以采到最大分辨率的]]></description>
 <link><![CDATA[http://www.aiothome.net/read.php?tid=82485#301897]]></link>
 <author><![CDATA[yncxzdy]]></author>
 <category><![CDATA[Linux技术交流区]]></category>
 <pubdate><![CDATA[Wed, 14 Jan 2015 13:54:41 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[个人觉得可能是摄像头本身就不支持那么高的分辨率，如果设置错误，v4l2会重置。]]></description>
 <link><![CDATA[http://www.aiothome.net/read.php?tid=82485#288743]]></link>
 <author><![CDATA[whoami7788]]></author>
 <category><![CDATA[Linux技术交流区]]></category>
 <pubdate><![CDATA[Thu, 28 Aug 2014 09:22:26 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[已解决，是开发板usb接口有问题，高速（echi）没用起来,换了一块板子就好了]]></description>
 <link><![CDATA[http://www.aiothome.net/read.php?tid=82485#278770]]></link>
 <author><![CDATA[yncxzdy]]></author>
 <category><![CDATA[Linux技术交流区]]></category>
 <pubdate><![CDATA[Thu, 22 May 2014 11:00:12 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[同样遇到这个问题，楼主解决了没有?求教啊！]]></description>
 <link><![CDATA[http://www.aiothome.net/read.php?tid=82485#271812]]></link>
 <author><![CDATA[rosnake]]></author>
 <category><![CDATA[Linux技术交流区]]></category>
 <pubdate><![CDATA[Thu, 27 Mar 2014 13:22:34 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[建议换成用qt4写camera程序,qtopia局限性太大]]></description>
 <link><![CDATA[http://www.aiothome.net/read.php?tid=82485#271343]]></link>
 <author><![CDATA[guocs2005]]></author>
 <category><![CDATA[Linux技术交流区]]></category>
 <pubdate><![CDATA[Tue, 25 Mar 2014 01:02:16 +0000]]></pubdate>
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<item>
 <title><![CDATA[回 5楼(guocs2005) 的帖子]]></title>
 <description><![CDATA[static int v4l2_set_fmt(void)
&#160;&#160;struct v4l2_format fmt;&#160;&#160;
&#160;&#160;memset(&amp;fmt, 0, sizeof(fmt));
&#160;&#160;fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
&#160;&#160;fmt.fmt.pix.width = WIDTH;
&#160;&#160;fmt.fmt.pix.height = HEIGHT;
&#160;&#160;fmt.fmt.pix.pixelformat = V4L2 ..]]></description>
 <link><![CDATA[http://www.aiothome.net/read.php?tid=82485#270590]]></link>
 <author><![CDATA[yncxzdy]]></author>
 <category><![CDATA[Linux技术交流区]]></category>
 <pubdate><![CDATA[Wed, 19 Mar 2014 08:19:59 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[这样看不出问题，你在每条语句下面都加上printf，定位程序在哪一条语句上崩溃的]]></description>
 <link><![CDATA[http://www.aiothome.net/read.php?tid=82485#270529]]></link>
 <author><![CDATA[guocs2005]]></author>
 <category><![CDATA[Linux技术交流区]]></category>
 <pubdate><![CDATA[Wed, 19 Mar 2014 02:26:26 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[回 3楼(guocs2005) 的帖子]]></title>
 <description><![CDATA[是这样设置的：(unsigned char *)malloc(WIDTH*HEIGHT*3*sizeof(char))]]></description>
 <link><![CDATA[http://www.aiothome.net/read.php?tid=82485#270343]]></link>
 <author><![CDATA[yncxzdy]]></author>
 <category><![CDATA[Linux技术交流区]]></category>
 <pubdate><![CDATA[Mon, 17 Mar 2014 13:56:18 +0000]]></pubdate>
</item>
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 <title><![CDATA[]]></title>
 <description><![CDATA[你的qtopia设置的buf的大小是多少？]]></description>
 <link><![CDATA[http://www.aiothome.net/read.php?tid=82485#270241]]></link>
 <author><![CDATA[guocs2005]]></author>
 <category><![CDATA[Linux技术交流区]]></category>
 <pubdate><![CDATA[Mon, 17 Mar 2014 05:01:14 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[回 1楼(guocs2005) 的帖子]]></title>
 <description><![CDATA[&nbsp;&nbsp;struct v4l2_format fmt;&nbsp;&nbsp;
&nbsp;&nbsp;memset(&amp;fmt, 0, sizeof(fmt));
&nbsp;&nbsp;fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
&nbsp;&nbsp;fmt.fmt.pix.width = WIDTH;
&nbsp;&nbsp;fmt.fmt.pix.height = HEIGHT;
&nbsp;&nbsp;fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_YUYV;
&nbsp;&nbsp;fmt ..]]></description>
 <link><![CDATA[http://www.aiothome.net/read.php?tid=82485#269964]]></link>
 <author><![CDATA[yncxzdy]]></author>
 <category><![CDATA[Linux技术交流区]]></category>
 <pubdate><![CDATA[Fri, 14 Mar 2014 11:48:36 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[无码无真相啊，贴下代码看看，尤其是V4L的设置那一部分]]></description>
 <link><![CDATA[http://www.aiothome.net/read.php?tid=82485#269899]]></link>
 <author><![CDATA[guocs2005]]></author>
 <category><![CDATA[Linux技术交流区]]></category>
 <pubdate><![CDATA[Fri, 14 Mar 2014 04:39:34 +0000]]></pubdate>
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