{"id":2532,"date":"2022-09-19T14:09:17","date_gmt":"2022-09-19T05:09:17","guid":{"rendered":"https:\/\/mattyan.net\/blog\/?p=2532"},"modified":"2022-09-19T14:09:17","modified_gmt":"2022-09-19T05:09:17","slug":"%e6%a8%a1%e5%9e%8b%e6%92%ae%e5%bd%b1%e7%94%a8%e3%82%ab%e3%83%a1%e3%83%a9mc2%e3%82%92%e4%bd%9c%e3%81%a3%e3%81%a6%e3%82%8b-4","status":"publish","type":"post","link":"https:\/\/mattyan.net\/blog\/?p=2532","title":{"rendered":"\u6a21\u578b\u64ae\u5f71\u7528\u30ab\u30e1\u30e9(mc2)\u3092\u4f5c\u3063\u3066\u308b 4"},"content":{"rendered":"\n<p>\u300c\u30d4\u30f3\u30c8\u304c\u3042\u3063\u3066\u308b\u304b\u308f\u304b\u308a\u306b\u304f\u3044\u300d\u300c\u30ab\u30e1\u30e9\u306e\u8a2d\u5b9a\u304c\u3067\u304d\u306a\u3044\u300d\u300c\u64ae\u3063\u305f\u5199\u771f\u3092\u56de\u53ce\u3059\u308b\u306e\u304c\u9762\u5012\u300d\u3068\u3044\u3063\u305f\u554f\u984c\u70b9\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306b\u3001Web\u30b5\u30fc\u30d0\u30fc\u306e\u6a5f\u80fd\u3092\u7d44\u307f\u8fbc\u3093\u3067\u307f\u305f<\/p>\n\n\n\n<!--more-->\n\n\n\n<h2 class=\"wp-block-heading\">\u30d7\u30ec\u30d3\u30e5\u30fc\u306e\u5b9f\u88c5<\/h2>\n\n\n\n<p>\u30d4\u30f3\u30c8\u304c\u3042\u3063\u3066\u308b\u304b\u308f\u304b\u308a\u306b\u304f\u3044\u306e\u3067\u3001gstreamer\u3067\u30ad\u30e3\u30d7\u30c1\u30e3\u3057\u305f\u753b\u50cf\u3092jpeg\u5727\u7e2e\u3057\u3066mjpeg\u3068\u3057\u3066\u9001\u308a\u3064\u3051\u308b\u3088\u3046\u306b\u5b9f\u88c5\u3002\u3064\u3044\u3067\u306bAPI\u306bPOST\u3059\u308b\u3053\u3068\u3067\u8f1d\u5ea6\u3068\u30b3\u30f3\u30b9\u30bf\u30f3\u30c8\u3092\u5909\u3048\u3089\u308c\u308b\u3088\u3046\u306b\u4fee\u6b63\u3002<\/p>\n\n\n\n<p><a rel=\"noreferrer noopener\" href=\"https:\/\/github.com\/cesanta\/mongoose\/tree\/master\/examples\/video-stream\" target=\"_blank\">\u30b5\u30f3\u30d7\u30eb<\/a>\u3092\u3082\u3068\u306b\u5b9f\u88c5\u3057\u305f\u3093\u3060\u3051\u3069\u3001\u3069\u3046\u3082\u5b89\u5b9a\u3057\u306a\u3044\u3002Windows\u3067\u5b9f\u884c\u3057\u305f\u3068\u304d\u306f\u52d5\u304f\u3093\u3060\u3051\u3069\u3001Raspberry PI\u306b\u6301\u3063\u3066\u3044\u3063\u305f\u3089\u3001\u30b9\u30de\u30db\u304b\u3089\u63a5\u7d9a\u3059\u308b\u3068\u30e1\u30e2\u30ea\u30a8\u30e9\u30fc\u3067\u843d\u3061\u308b\u3002gdb\u3067\u843d\u3061\u305f\u77ac\u9593\u3092\u62fe\u3063\u3066\u307f\u3066\u3082\u3001\u7a81\u7136\u865a\u7121\u304b\u3089\u547c\u3070\u308c\u3066\u843d\u3061\u305f\u3088\u3046\u306b\u3057\u304b\u898b\u3048\u306a\u3044\u2026\u2026\u3061\u306a\u307f\u306bPC\u304b\u3089\u63a5\u7d9a\u3059\u308b\u3068\u5b89\u5b9a\u3057\u3066\u52d5\u304f\u3002\u306a\u3093\u3067\u3084\u3002<\/p>\n\n\n\n<blockquote class=\"twitter-tweet\"><p lang=\"ja\" dir=\"ltr\">gstreamer\u3067\u30ad\u30e3\u30d7\u30c1\u30e3\u3057\u305f\u6620\u50cf\u3092mongoose.c\u7d4c\u7531\u3067\u30d6\u30e9\u30a6\u30b6\u306b\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u66f8\u3044\u3066\u308b\u3093\u3060\u3051\u3069\u3001Windows\u3067\u30d3\u30eb\u30c9\u3057\u3066\u305f\u3068\u304d\u306b\u306f\u5b89\u5b9a\u3057\u3066\u3044\u305f\u306e\u306b\u3001raspberry pi\u3067\u30d3\u30eb\u30c9\u3057\u305f\u3089\u30b9\u30de\u30db\u304b\u3089\u63a5\u7d9a\u3057\u305f\u77ac\u9593SIGSEGV\u3059\u308b\u3057\u3001bt\u898b\u3066\u3082\u308f\u304b\u3089\u3093\u2026\u2026 <a href=\"https:\/\/t.co\/PLErwa0dmL\">pic.twitter.com\/PLErwa0dmL<\/a><\/p>&mdash; \u307e\u3063\u3061\u3083\u3093 (@mattyan_1117) <a href=\"https:\/\/twitter.com\/mattyan_1117\/status\/1571452397725298689?ref_src=twsrc%5Etfw\">September 18, 2022<\/a><\/blockquote> <script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n\n\n\n<p>\u3053\u3053\u3089\u3078\u3093\u3001\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u3067\u66f8\u3044\u3066\u308b\u304b\u3089\u306a\u306b\u304b\u30df\u30b9\u3063\u3066\u308b\u3093\u3060\u308d\u3046\u306a\u3068\u306f\u601d\u3046\u3093\u3060\u3051\u3069\u3001\u3069\u3053\u304c\u307e\u305a\u3044\u306e\u304b\u308f\u304b\u3089\u3093\u3002\u6b21\u306e\u4fee\u6b63\u3067\u3044\u308d\u3044\u308d\u3044\u3058\u3063\u3066\u307f\u308b\u304b<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30d5\u30a1\u30a4\u30eb\u30d3\u30e5\u30ef\u30fc<\/h2>\n\n\n\n<p>\u300c\u64ae\u3063\u305f\u5199\u771f\u306e\u6539\u4fee\u304c\u9762\u5012\u300d\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306b\u30d5\u30a1\u30a4\u30eb\u30d3\u30e5\u30ef\u30fc\u3092\u5b9f\u88c5\u3002<\/p>\n\n\n\n<p>\u3068\u3044\u3063\u3066\u3082\u3001javascript\u304b\u3089\u53e9\u3044\u305f\u3089\u30d5\u30a1\u30a4\u30eb\u30ea\u30b9\u30c8\u3092JSON\u3067\u8fd4\u3059API\u4f5c\u3063\u3066\u3042\u3068\u306fjavascrip\u306b\u5168\u90e8\u304a\u4efb\u305b\u3002JSON\u4f5c\u308b\u306e\u3082<\/p>\n\n\n\n<pre class=\"language-cpp\"><code class=\"\" data-line=\"\">if (std::filesystem::is_directory(search_dir)) {\n    for (const std::filesystem::directory_entry &amp;entry: std::filesystem::directory_iterator(search_dir)) {\n        ss &lt;&lt; &quot;, {\\&quot;name\\&quot;: &quot; &lt;&lt; entry.path().filename() &lt;&lt; &quot;, \\&quot;directory\\&quot;: &quot;;\n        if (entry.is_directory()) {\n            ss &lt;&lt; &quot;true&quot;;\n        } else {\n            ss &lt;&lt; &quot;false&quot;;\n        }\n        ss &lt;&lt; &quot;}&quot;;\n    }\n}\nmg_http_reply(\n    connection,\n    200,\n    &quot;Content-Type: application\/json\\r\\n&quot;,\n    &quot;[{\\&quot;name\\&quot;: \\&quot;..\\&quot;, \\&quot;directory\\&quot;: true}%s]&quot;, ss.str().c_str()\n);<\/code><\/pre>\n\n\n\n<p>\u3068\u3001\u308f\u308a\u3068\u529b\u305a\u304f\u3002<br \/>\u3053\u3061\u3089\u306f\u30b9\u30de\u30db\u304b\u3089\u306e\u63a5\u7d9a\u3067\u3082\u5b89\u5b9a\u3057\u3066\u52d5\u304f\u3002<\/p>\n\n\n\n<p>\u6b21\u306f\u30b3\u30fc\u30c9\u306e\u6574\u7406\u3057\u306a\u304c\u3089\u30b9\u30de\u30db\u304b\u3089\u30d7\u30ec\u30d3\u30e5\u30fc\u3059\u308b\u3068\u843d\u3061\u308b\u539f\u56e0\u304c\u2026\u2026\u308f\u304b\u308b\u3068\u3044\u3044\u306a\u3041\u2026\u2026<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u300c\u30d4\u30f3\u30c8\u304c\u3042\u3063\u3066\u308b\u304b\u308f\u304b\u308a\u306b\u304f\u3044\u300d\u300c\u30ab\u30e1\u30e9\u306e\u8a2d\u5b9a\u304c\u3067\u304d\u306a\u3044\u300d\u300c\u64ae\u3063\u305f\u5199\u771f\u3092\u56de\u53ce\u3059\u308b\u306e\u304c\u9762\u5012\u300d\u3068\u3044\u3063\u305f\u554f\u984c\u70b9\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306b\u3001Web\u30b5\u30fc\u30d0\u30fc\u306e\u6a5f\u80fd\u3092\u7d44\u307f\u8fbc\u3093\u3067\u307f\u305f<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-2532","post","type-post","status-publish","format-standard","hentry","category-3"],"_links":{"self":[{"href":"https:\/\/mattyan.net\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2532","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mattyan.net\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mattyan.net\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mattyan.net\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mattyan.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2532"}],"version-history":[{"count":0,"href":"https:\/\/mattyan.net\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2532\/revisions"}],"wp:attachment":[{"href":"https:\/\/mattyan.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2532"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mattyan.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2532"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mattyan.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2532"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}