{"id":156832,"date":"2020-09-16T00:58:28","date_gmt":"2020-09-15T16:58:28","guid":{"rendered":"http:\/\/4563.org\/?p=156832"},"modified":"2020-09-16T00:58:28","modified_gmt":"2020-09-15T16:58:28","slug":"ios-%e6%80%8e%e4%b9%88%e8%8e%b7%e5%8f%96%e6%9c%80%e6%96%b0%e7%b3%bb%e5%88%97-iphone-%e5%90%8e%e7%bd%ae%e7%9b%b8%e6%9c%ba%e5%87%86%e7%a1%ae%e7%9a%84%e8%a7%86%e5%9c%ba%e8%a7%92%e6%95%b0%e5%80%bcfield-o","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=156832","title":{"rendered":"iOS \u600e\u4e48\u83b7\u53d6\u6700\u65b0\u7cfb\u5217 iPhone \u540e\u7f6e\u76f8\u673a\u51c6\u786e\u7684\u89c6\u573a\u89d2\u6570\u503c(field of view, FOV) \uff1f"},"content":{"rendered":"
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iOS \u600e\u4e48\u83b7\u53d6\u6700\u65b0\u7cfb\u5217 iPhone \u540e\u7f6e\u76f8\u673a\u51c6\u786e\u7684\u89c6\u573a\u89d2\u6570\u503c(field of view, FOV) \uff1f <\/h1>\n

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\u8cc7\u6df1\u5927\u4f6c : LinChiSin <\/span> <\/i> 6<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
\u867d\u7136\u5df2\u77e5 AVCaptureDevice \u4e0b activeFormat.videoFieldOfView \u53ef\u4ee5\u63d0\u4f9b\u7cfb\u7edf API\uff0c\u4f46\u662f\u7ecf\u8fc7\u5b9e\u6d4b\u6548\u679c\u6709\u4e9b\u5dee\u3002<\/p>\n

\u540c\u65f6\uff0c\u6211\u8fd8\u627e\u5230\u4e86\u82f9\u679c\u7684\u4e00\u4efd\u5386\u53f2\u6587\u6863\uff08 https:\/\/developer.apple.com\/library\/archive\/documentation\/DeviceInformation\/Reference\/iOSDeviceCompatibility\/Cameras\/Cameras.html#\/\/apple_ref\/doc\/uid\/TP40013599-CH107-SW15 \uff09\uff0c\u5217\u4e3e\u4e86\u5230 iPhone X \u5728\u5404\u79cd\u76f8\u673a\u683c\u5f0f\u4e0b\u7684 FOV \u3002<\/p>\n

\u7ecf\u5b9e\u9645\u6d4b\u8bd5\uff0c\u5176\u5217\u4e3e\u7684\u6570\u503c\u4e0e\u7cfb\u7edf API \u63d0\u4f9b\u7684\u6570\u503c\u6709\u504f\u5dee\uff0c\u5e76\u4e14\u5728\u6211\u7684\u6d4b\u8bd5\u8868\u73b0\u4e2d\uff0c\u8fd9\u4e2a\u8868\u683c\u63d0\u4f9b\u7684\u6570\u503c\u6bd4\u7cfb\u7edf API \u66f4\u51c6\u786e\u3002<\/p>\n

\u4e3e\u4f8b\u6765\u8bf4\uff0c\u6587\u6863\u4e2d\u8bb0\u5f55\u7684 iPhoneX \u5728 1280*720 \u4e0b\uff0cFOV \u662f 60.983 \u3002<\/p>\n

\u4f46\u662f\u7cfb\u7edf API \u7ed9\u7684 activeFormat.videoFieldOfView \u7ed9\u7684\u7ed3\u679c\u662f\uff1a69.654 :<\/p>\n

”’
Active Format: <AVCaptureDeviceFormat: 0x2815080f0 ‘vide’\/’420v’ 1280x 720, { 1-240 fps}, fov:69.654, binned, supports vis, max zoom:67.50 (upscales @1.50), AF System:1, ISO:24.0-960.0, SS:0.000045-1.000000><\/p>\n

””<\/p>\n

\u6240\u4ee5\uff0c\u8fd9\u91cc\u6709\u4e24\u4e2a\u7591\u95ee <\/div>\n

\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (1<\/span>) <\/div>\n
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    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : LinChiSin <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    up \u4e00\u4e0b <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"

    iOS \u600e\u4e48\u83b7\u53d6\u6700\u65b0\u7cfb\u5217 iPho…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/156832"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=156832"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/156832\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=156832"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=156832"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=156832"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}