_:ncdf333571c4548b686f3d02ac5d681f1xb1
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"<p>请问DVP 接口获取图片报错，遇到过这样的问题吗？在BSP 3.4.39 内核，zero平台，camera型号ov5640 DVP接口</p>\n\n<h1>fswebcam -d /dev/video0 –no-banner -r 320×240 capture.jpg</h1>\n<p>[  984.385627] [VFE]vfe_open<br>\n— Opening /dev/video0…<br>\n[  984.388786] [VFE]……………………..vfe clk open!…………………..<br>\nTrying source module v4l2…[  984.400418] [VFE]vfe_open ok</p>\n\n<p>[  984.406273] [VFE_ERR]input index(0) &gt; dev-&gt;dev_qty(1)-1 invalid!, device_valid_flag[0] = 0<br>\n/dev/video0 opened.<br>\n  984.416946] [VFE]vfe_close<br>\nmNo input was specified, using t[  984.421992] [VFE]vfe select input flag = 0, s_input have no.<br>\nhe first.<br>\nUnable to qu[  984.432242] [VFE]……………………..vfe clk close!…………………..<br>\nery input 0.<br>\nVIDIOC_EN[  984.443612] [VFE]vfe_close end<br>\nUMINPUT: Invalid argument<br>\n#</p>\n\n\n<p><a href=\"http://zero.lichee.pro/%E7%B3%BB%E7%BB%9F%E5%BC%80%E5%8F%91/bsp_cam.html\" rel=\" nofollow ugc\">http://zero.lichee.pro/%E7%B3%BB%E7%BB%9F%E5%BC%80%E5%8F%91/bsp_cam.html</a>  有提到此问题，没说解决方法。</p>"
<https://cn.bbs.sipeed.com/d/265-fswebcam-dvp-ov5640-bspv3sz-zero>