{"id":129,"date":"2022-10-13T10:54:31","date_gmt":"2023-01-18T01:35:52","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/index.php\/2023\/11\/30\/%e3%82%b3%e3%83%9e%e3%83%b3%e3%83%89%e3%83%a9%e3%82%a4%e3%83%b3%e3%81%a7%e3%81%aegif%e3%81%ae%e4%bd%9c%e6%88%90%e3%81%a8%e6%9c%80%e9%81%a9%e5%8c%96%e6%96%b9%e6%b3%95\/"},"modified":"2025-07-31T20:58:46","modified_gmt":"2025-07-31T11:58:46","slug":"%e3%82%b3%e3%83%9e%e3%83%b3%e3%83%89%e3%83%a9%e3%82%a4%e3%83%b3%e3%81%a7%e3%81%aegif%e3%81%ae%e4%bd%9c%e6%88%90%e3%81%a8%e6%9c%80%e9%81%a9%e5%8c%96%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/%e3%82%b3%e3%83%9e%e3%83%b3%e3%83%89%e3%83%a9%e3%82%a4%e3%83%b3%e3%81%a7%e3%81%aegif%e3%81%ae%e4%bd%9c%e6%88%90%e3%81%a8%e6%9c%80%e9%81%a9%e5%8c%96%e6%96%b9%e6%b3%95\/","title":{"rendered":"\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u3067\u306eGIF\u306e\u4f5c\u6210\u3068\u6700\u9069\u5316\u65b9\u6cd5"},"content":{"rendered":"<h3>\u4ee5\u4e0b\u306e\u6587\u7ae0\u3092\u65e5\u672c\u8a9e\u306b\u30cd\u30a4\u30c6\u30a3\u30d6\u306a\u8a00\u8449\u3067\u8a00\u3044\u63db\u3048\u3066\u304f\u3060\u3055\u3044\u3002\u4e00\u3064\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u7d50\u69cb\u3067\u3059\u3002<\/h3>\n<p>\u300cIntroduction\u300d<br \/>\n-&gt; \u306f\u3058\u3081\u306b<\/p>\n<p>1990\u5e74\u4ee3\u304b\u3089\u6d41\u901a\u3057\u3066\u3044\u308b\u753b\u50cf\u5f62\u5f0f\u306e\u4e2d\u3067\u3001JPG\u3068PNG\u306b\u52a0\u3048\u3066\u3001GIF\u3082\u6700\u3082\u4e00\u822c\u7684\u306a\u3082\u306e\u306e\u4e00\u3064\u3067\u3059\u3002JPG\u3068PNG\u3068\u306f\u7570\u306a\u308a\u3001GIF\u306f\u8907\u6570\u306e\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u30d5\u30ec\u30fc\u30e0\u3092\u542b\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305d\u3057\u3066\u3001\u5358\u7d14\u306a\u304c\u3089\u3082\u300c\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3GIF\u300d\u3068\u3044\u3046\u5b58\u5728\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u3042\u3089\u3086\u308b\u5834\u6240\u3067\u4f7f\u308f\u308c\u308b\u78ba\u56fa\u305f\u308b\u8981\u7d20\u3067\u3059\u3002<\/p>\n<p>GIF\u306f\u5b9f\u306f\u53e4\u3044\u6280\u8853\u3067\u3042\u308a\u3001\u73fe\u5728\u306f\u591a\u304f\u306e\u5834\u9762\u3067\u30a6\u30a7\u30d6\u52d5\u753b\u306e\u57cb\u3081\u8fbc\u307f\u306b\u6bd4\u3079\u3066\u52b9\u7387\u304c\u4f4e\u4e0b\u3057\u3066\u3044\u307e\u3059\u3002\u306a\u305c\u306a\u3089\u3001\u307b\u3068\u3093\u3069\u306e\u30a6\u30a7\u30d6\u52d5\u753b\u306f\u73fe\u4ee3\u306e\u52d5\u753b\u5727\u7e2e\u6280\u8853\u3084\u3088\u308a\u4eba\u6c17\u306e\u3042\u308b\u73fe\u4ee3\u306e\u30b3\u30fc\u30c7\u30c3\u30af\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u304b\u3089\u3067\u3059\u3002\u30b3\u30fc\u30c7\u30c3\u30af\u306f\u3001\u52d5\u753b\u3092\u30a8\u30f3\u30b3\u30fc\u30c9\u304a\u3088\u3073\u30c7\u30b3\u30fc\u30c9\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u3001\u307b\u3068\u3093\u3069\u306e\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306b\u306f\u305d\u308c\u3089\u306e\u30b3\u30fc\u30c7\u30c3\u30af\u3092\u518d\u751f\u3059\u308b\u305f\u3081\u306e\u5c02\u7528\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u304c\u3042\u308a\u307e\u3059\u3002\u4e00\u65b9\u3067\u3001GIF\u306f\u5e38\u306bCPU\u3067\u76f4\u63a5\u30c7\u30b3\u30fc\u30c9\u3055\u308c\u307e\u3059\u3002\u89e3\u50cf\u5ea6\u304c\u4f4e\u304f\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306e\u30d5\u30ec\u30fc\u30e0\u6570\u304c\u308f\u305a\u304b\u306aGIF\u306eCPU\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u306f\u7121\u8996\u3067\u304d\u307e\u3059\u304c\u3001\u7406\u8ad6\u7684\u306b\u306fYouTube\u306e\u52d5\u753b\u3068\u540c\u69d8\u306e\u89e3\u50cf\u5ea6\u3084\u30d5\u30ec\u30fc\u30e0\u30ec\u30fc\u30c8\u306eGIF\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3057\u3001\u305d\u306e\u969b\u306b\u3069\u308c\u3060\u3051\u306e\u30b7\u30b9\u30c6\u30e0\u30ea\u30bd\u30fc\u30b9\u3092\u6d88\u8cbb\u3059\u308b\u304b\u306b\u9a5a\u304b\u3055\u308c\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001GIF\u306f\u307e\u3060\u6709\u7528\u3067\u3042\u308a\u3001\u753b\u50cf\u3068\u3057\u3066\u6271\u308f\u308c\u308b\u305f\u3081\u306b\u52d5\u753b\u3067\u306f\u306a\u3044\u3068\u8003\u3048\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u30a6\u30a7\u30d6\u3084\u305d\u306e\u4ed6\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u52d5\u4f5c\u65b9\u6cd5\u304b\u3089\u3001GIF\u306f\u591a\u304f\u306e\u72b6\u6cc1\u3067\u81ea\u52d5\u7684\u306b\u518d\u751f\u3055\u308c\u308b\u305f\u3081\u3001\u5225\u3005\u306b\u57cb\u3081\u8fbc\u3080\u5fc5\u8981\u3082\u30ea\u30f3\u30af\u3059\u308b\u5fc5\u8981\u3082\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u308c\u306f\u53cd\u5fdc\u753b\u50cf\u304b\u3089\u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d6\u306a\u30d5\u30a3\u30af\u30b7\u30e7\u30f3\u958b\u767a\u3084\u4ed6\u306e\u30d7\u30ec\u30bc\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u5f62\u5f0f\u307e\u3067\u3001\u3042\u3089\u3086\u308b\u5834\u9762\u3067\u4fbf\u5229\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u3001\u30d3\u30c7\u30aa\u30af\u30ea\u30c3\u30d7\u304b\u3089GIF\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306e\u3044\u304f\u3064\u304b\u306e\u30c4\u30fc\u30eb\u3092\u8a66\u3057\u3066\u307f\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u30b5\u30a4\u30ba\u3068\u54c1\u8cea\u3092\u6700\u9069\u5316\u3057\u3001\u3055\u307e\u3056\u307e\u306a\u72b6\u6cc1\u3067\u4f7f\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u3053\u308c\u3089\u306e\u30c4\u30fc\u30eb\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u3001\u5225\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30b9\u30bf\u30c3\u30af\u306b\u7d71\u5408\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>\u5fc5\u8981\u6761\u4ef6<\/h3>\n<p>\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u3001Ubuntu 22.04 \u30b5\u30fc\u30d0\u30fc\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u624b\u9806\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002Ubuntu 22.04 \u306e\u521d\u671f\u30b5\u30fc\u30d0\u30fc\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u30ac\u30a4\u30c9\u306b\u5f93\u3063\u3066\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u4f7f\u308f\u308c\u308b\u30c4\u30fc\u30eb\u306e\u3046\u3061\u30011\u3064\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u305f\u3081\u306bHomebrew\u30d1\u30c3\u30b1\u30fc\u30b8\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u3092\u4e8b\u524d\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>\u30b9\u30c6\u30c3\u30d71 \u2014 ffmpeg\u3001Gifski\u3001\u304a\u3088\u3073Gifsicle\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/h2>\n<p>\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u3001\u4f8b\u306b\u6cbf\u3063\u3066\u9032\u3081\u308b\u305f\u3081\u306b3\u3064\u306e\u30c4\u30fc\u30eb\u304c\u5fc5\u8981\u3067\u3059\u3002\u6700\u521d\u306f\u30d3\u30c7\u30aa\u306e\u30ab\u30c3\u30c8\u3084\u64cd\u4f5c\u306b\u4f7f\u7528\u3059\u308bffmpeg\u3067\u3059\u3002\u6b21\u306b\u3001GIF\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306eGifski\u304c\u3042\u308a\u3001\u6700\u5f8c\u306bGIF\u3092\u6700\u9069\u5316\u3057\u3066\u3055\u3089\u306b\u64cd\u4f5c\u3059\u308b\u305f\u3081\u306eGifsicle\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30c4\u30fc\u30eb\u306f\u307b\u3068\u3093\u3069\u306e\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3067\u5229\u7528\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>Ubuntu\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u30ea\u30dd\u30b8\u30c8\u30ea\u306b\u306f\u3001ffmpeg\u3068gifsicle\u306e\u4e21\u65b9\u304c\u5229\u7528\u53ef\u80fd\u3067\u3001apt\u30d1\u30c3\u30b1\u30fc\u30b8\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u3092\u4f7f\u7528\u3057\u3066\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3067\u304d\u307e\u3059\u3002\u307e\u305a\u306fapt update\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30d1\u30c3\u30b1\u30fc\u30b8\u30bd\u30fc\u30b9\u3092\u66f4\u65b0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">apt<\/span> update<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u305d\u308c\u304b\u3089\u3001apt install\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3063\u3066ffmpeg\u3068gifsicle\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">apt<\/span> <span class=\"token function\">install<\/span> ffmpeg gifsicle<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u6700\u5f8c\u306e\u30c4\u30fc\u30eb\u3067\u3042\u308bgifski\u306f\u3001Homebrew\u3092\u901a\u3058\u3066\u5229\u7528\u3067\u304d\u307e\u3059\u3002brew install\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u304f\u3060\u3055\u3044\uff08Homebrew\u306f\u4ed6\u306e\u4f9d\u5b58\u95a2\u4fc2\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u305f\u3081\u3001\u6570\u5206\u304b\u304b\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">brew <span class=\"token function\">install<\/span> gifski<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3042\u306a\u305f\u306e\u30de\u30b7\u30f3\u306b\u306f\u5fc5\u8981\u306a\u3059\u3079\u3066\u306e\u30c4\u30fc\u30eb\u304c\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u6b21\u306b\u3001GIF\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306e\u30b5\u30f3\u30d7\u30eb\u30d3\u30c7\u30aa\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30b9\u30c6\u30c3\u30d7 2 \u2014 \u30b5\u30f3\u30d7\u30eb\u30d3\u30c7\u30aa\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3068\u78ba\u8a8d<\/h2>\n<p>\u3069\u3093\u306a\u65e2\u5b58\u306e\u30d3\u30c7\u30aa\u30af\u30ea\u30c3\u30d7\u304b\u3089\u3067\u3082GIF\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u304a\u4f7f\u3044\u306b\u306a\u308a\u305f\u3044\u30d3\u30c7\u30aa\u30af\u30ea\u30c3\u30d7\u304c\u307e\u3060\u306a\u3044\u5834\u5408\u306f\u3001Silicon Cloud\u306eIntroducing App Platform\u306e\u30d3\u30c7\u30aa\u3092\u51fa\u767a\u70b9\u3068\u3057\u3066\u4f7f\u7528\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>curl\u3092\u4f7f\u7528\u3057\u3066\u3001\u5f53\u793e\u306e\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u4ed6\u306e\u5834\u6240\u306b\u3042\u308b\u3053\u306e\u30d3\u30c7\u30aa\u306e\u30b3\u30d4\u30fc\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">curl<\/span> <span class=\"token parameter variable\">-O<\/span> https:\/\/deved-images.nyc3.cdn.digitaloceanspaces.com\/gif-cli\/app-platform.webm<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>curl\u306f\u3001\u3042\u3089\u3086\u308b\u7a2e\u985e\u306eWeb\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u884c\u3046\u305f\u3081\u306e\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u3067\u3059\u3002URL\u3068\u4e00\u7dd2\u306b-O\u30d5\u30e9\u30b0\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001curl\u306f\u30ea\u30e2\u30fc\u30c8\u30d5\u30a1\u30a4\u30eb\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3001\u540c\u3058\u30d5\u30a1\u30a4\u30eb\u540d\u3067\u30ed\u30fc\u30ab\u30eb\u306b\u4fdd\u5b58\u3057\u307e\u3059\u3002<\/p>\n<p>\u30d3\u30c7\u30aa\u306e\u30ed\u30fc\u30ab\u30eb\u30b3\u30d4\u30fc\u304c\u3042\u308b\u306e\u3067\u3001\u3044\u304f\u3064\u304b\u306e\u30e1\u30bf\u30c7\u30fc\u30bf\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306f\u9ad8\u54c1\u8cea\u306eGIF\u3092\u4f5c\u6210\u3057\u3088\u3046\u3068\u3059\u308b\u969b\u306b\u91cd\u8981\u3067\u3059\u3002\u4ee5\u524d\u306bffmpeg\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305f\u969b\u306b\u3001ffprobe\u3068\u3044\u3046\u30b3\u30de\u30f3\u30c9\u3082\u4e00\u7dd2\u306b\u4ed8\u5c5e\u3057\u3066\u3044\u307e\u3057\u305f\u3002ffprobe\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30e1\u30c7\u30a3\u30a2\u30d5\u30a1\u30a4\u30eb\u306e\u89e3\u50cf\u5ea6\u3001\u30d5\u30ec\u30fc\u30e0\u30ec\u30fc\u30c8\u3001\u305d\u306e\u4ed6\u306e\u60c5\u5831\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u305fapp-platform.webm\u30d3\u30c7\u30aa\u4e0a\u3067ffprobe\u3092\u5b9f\u884c\u3057\u3066\u3001\u3053\u308c\u3089\u306e\u8a73\u7d30\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">ffprobe app-platform.webm<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u2026 Input #0, matroska,webm, from &#8216;app-platform.webm&#8217;: Metadata: ENCODER : Lavf59.27.100 Duration: 00:01:59.04, start: -0.007000, bitrate: 1362 kb\/s Stream #0:0(eng): Video: vp9 (Profile 0), yuv420p(tv, bt709), <mark>1920&#215;1080<\/mark>, SAR 1:1 DAR 16:9, <mark>25 fps<\/mark>, 25 tbr, 1k tbn (default) Metadata: DURATION : 00:01:59.000000000 Stream #0:1(eng): Audio: opus, 48000 Hz, stereo, fltp (default) Metadata: DURATION : 00:01:59.041000000<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u51fa\u529b\u306b\u306f\u3001\u901a\u5e381\u3064\u306e\u30d3\u30c7\u30aa\u3068\u5c11\u306a\u304f\u3068\u30821\u3064\u306e\u30aa\u30fc\u30c7\u30a3\u30aa\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u542b\u3080\u30d5\u30a1\u30a4\u30eb\u5185\u306e\u3059\u3079\u3066\u306e\u30b9\u30c8\u30ea\u30fc\u30e0\u304c\u30ea\u30b9\u30c8\u3055\u308c\u307e\u3059\u3002\u307e\u305f\u3001\u30b5\u30f3\u30d7\u30eb\u30ec\u30fc\u30c8\u3001\u30b3\u30fc\u30c7\u30c3\u30af\u3001\u304a\u3088\u3073\u30b9\u30c8\u30ea\u30fc\u30e0\u306e\u305d\u306e\u4ed6\u306e\u7279\u6027\u3082\u793a\u3055\u308c\u307e\u3059\u3002\u51fa\u529b\u306e\u30cf\u30a4\u30e9\u30a4\u30c8\u3055\u308c\u305f\u60c5\u5831\u304b\u3089\u3001\u3053\u306e\u30d3\u30c7\u30aa\u304c1080p\u89e3\u50cf\u5ea6\u3067\u30a8\u30f3\u30b3\u30fc\u30c9\u3055\u308c\u3001\u79d2\u959325\u30d5\u30ec\u30fc\u30e0\u3067\u518d\u751f\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002YouTube\u3067\u8996\u8074\u3059\u308b\u3053\u3068\u3067\u3001\u304a\u305d\u3089\u304f\u7d042\u5206\u9593\u306e\u9577\u3055\u3067\u3042\u308b\u3053\u3068\u3082\u5206\u304b\u3063\u305f\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u305d\u3057\u3066\u30011\u3064\u306eGIF\u306b\u306f\u304a\u305d\u3089\u304f\u9577\u3059\u304e\u308b\u3067\u3057\u3087\u3046\uff01<\/p>\n<p>\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u306b\u9032\u3080\u305f\u3081\u306b\u306f\u5341\u5206\u306a\u60c5\u5831\u3067\u3059\u3002\u3053\u306e\u30d3\u30c7\u30aa\u304b\u3089\u30af\u30ea\u30c3\u30d7\u3092\u5207\u308a\u53d6\u3063\u3066GIF\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30b9\u30c6\u30c3\u30d73 &#8211; \u52d5\u753b\u304b\u3089\u30af\u30ea\u30c3\u30d7\u3092\u5207\u308a\u53d6\u308b<\/h2>\n<p>\u65e5\u672c\u8a9e\u3067\u4ee5\u4e0b\u306e\u6587\u306e\u8a00\u3044\u63db\u3048\u3092\u304a\u9858\u3044\u3057\u307e\u3059\u3002\uff11\u3064\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u7d50\u69cb\u3067\u3059\uff1a<br \/>\n\u3042\u306a\u305f\u306f\u4eca\u3001\u7279\u6027\u304c\u5206\u304b\u3063\u3066\u3044\u308b\uff12\u5206\u9593\u306e\u30d3\u30c7\u30aa\u30d5\u30a1\u30a4\u30eb\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002\u305d\u308c\u3092GIF\u306b\u3059\u308b\u524d\u306b\u3001\u77ed\u3044\u30af\u30ea\u30c3\u30d7\u3092\u629c\u304d\u51fa\u3059\u3060\u3051\u306e\u4f5c\u696d\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<p>\u30bf\u30fc\u30df\u30ca\u30eb\u30b7\u30a7\u30eb\u3067\u30d3\u30c7\u30aa\u3092\u518d\u751f\u3059\u308b\u3053\u3068\u306f\u3042\u307e\u308a\u4fbf\u5229\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u306e\u3067\u3001YouTube\u306e\u30d3\u30c7\u30aa\u3068\u4e00\u7dd2\u306b\u8996\u8074\u3057\u3066\u3001\u9069\u5207\u306a\u30ab\u30c3\u30c8\u7b87\u6240\u3092\u898b\u3064\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u300100:00:09\u304b\u308900:00:12\u307e\u3067\u3092\u30ab\u30c3\u30c8\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u306a\u304b\u306a\u304b\u30b9\u30e0\u30fc\u30ba\u306a\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u304c\u4f5c\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/6564585fdaa94e2bdf7b1531\/30-0.gif\" alt=\"3-second video clip from App Platform launch\" \/><\/div>\n<p>app-platform.webm\u30d3\u30c7\u30aa\u3092ffmpeg\u306b\u6e21\u3059\u3053\u3068\u3067\u3001\u305d\u306e\u30ab\u30c3\u30c8\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">ffmpeg <span class=\"token parameter variable\">-ss<\/span> 00:00:09 <span class=\"token parameter variable\">-to<\/span> 00:00:12 <span class=\"token parameter variable\">-i<\/span> app-platform.webm <span class=\"token parameter variable\">-c<\/span> copy clip.webm<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3053\u306e\u30b3\u30de\u30f3\u30c9\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5206\u89e3\u3055\u308c\u307e\u3059\uff1a<\/p>\n<ul class=\"post-ul\">\n<li>-ss 00:00:09 -to 00:00:12 is how ffmpeg understands timecodes. In this case, cutting from a starting position to an ending position in the clip. You can also clip based on duration, or to fractions of a second.<\/li>\n<li>-i app-platform.webm is the path to your input file, preceded by -i.<\/li>\n<li>-c copy is where you would normally specify an output audio or video codec to ffmpeg. Using copy in lieu of a codec skips reencoding the video at all, which can be much quicker and avoid any loss in quality, as long as you don\u2019t need to target a different output format. Because you\u2019re making this clip into a GIF later anyway, preserving the native input format is fine, and saves time.<\/li>\n<li>clip.webm is the path to your output file.<\/li>\n<\/ul>\n<p>\u3053\u308c\u306b\u3088\u308a\u3001clip.webm\u3068\u3044\u3046\u65b0\u3057\u30443\u79d2\u306e\u30d3\u30c7\u30aa\u304c\u4f5c\u6210\u3055\u308c\u307e\u3059\u3002ls -lh\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u305d\u306e\u5b58\u5728\u3068\u30b5\u30a4\u30ba\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">ls<\/span> <span class=\"token parameter variable\">-lh<\/span> clip.webm<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>-rw-r&#8211;r&#8211; 1 sammy sammy 600K Nov 16 14:27 clip.webm<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u3067GIF\u3092\u4f5c\u6210\u3059\u308b\u969b\u306b\u3001\u308f\u304b\u3063\u305f\u3053\u3068\u3067\u3059\u304c\u30013\u79d2\u306e\u52d5\u753b\u306f\u305f\u3063\u305f600K\u3057\u304b\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u308c\u306f\u3001\u6bd4\u8f03\u306e\u826f\u3044\u30dd\u30a4\u30f3\u30c8\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<div class=\"post-conf-note\">\n<p class=\"post-conf-desc\">Note<\/p>\n<div>\u6ce8\u610f: \u3082\u3057\u30ed\u30fc\u30ab\u30eb\u30de\u30b7\u30f3\u3067\u4f5c\u696d\u3092\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u540c\u3058\u64cd\u4f5c\u3092\u884c\u3046\u305f\u3081\u306b\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306eGUI\u30c4\u30fc\u30eb\u3067\u3042\u308bLossless Cut\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002Lossless Cut\u306f\u7279\u306b\u4fbf\u5229\u3067\u3042\u308a\u3001\u30d3\u30c7\u30aa\u3092\u518d\u30a8\u30f3\u30b3\u30fc\u30c9\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u30bf\u30a4\u30e0\u30b3\u30fc\u30c9\u306b\u57fa\u3065\u3044\u3066\u30d3\u30c7\u30aa\u304b\u3089\u30af\u30ea\u30c3\u30d7\u3092\u7d20\u65e9\u304f\u62bd\u51fa\u3059\u308b\u305f\u3081\u306b\u540c\u3058ffmpeg\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u3067\u5358\u72ec\u3067ffmpeg\u3092\u5b9f\u884c\u3059\u308b\u306e\u3068\u306f\u7570\u306a\u308a\u3001Lossless Cut\u306b\u306f\u30d3\u30eb\u30c8\u30a4\u30f3\u306e\u30d3\u30c7\u30aa\u30d7\u30ec\u30fc\u30e4\u30fc\u3068\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/div>\n<\/div>\n<h2>\u7b2c4\u30b9\u30c6\u30c3\u30d7 \u2014 \u52d5\u753b\u3092GIF\u306b\u5909\u63db\u3059\u308b<\/h2>\n<p>3\u79d2\u306e\u52d5\u753b\u3068\u3001\u30d5\u30ec\u30fc\u30e0\u30ec\u30fc\u30c8\u3068\u89e3\u50cf\u5ea6\u306e\u4e0a\u9650\u3092\u8003\u3048\u305f\u306a\u3089\u3001\u305d\u308c\u3092\u5143\u306b\u3057\u3066GIF\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3082\u3057\u52d5\u753b\u3092GIF\u306b\u81ea\u52d5\u7684\u306b\u5909\u63db\u3059\u308b\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3092\u958b\u767a\u3057\u3066\u3044\u308b\u5834\u5408\u3001ffprobe\u304b\u3089\u89e3\u50cf\u5ea6\u3068\u30d5\u30ec\u30fc\u30e0\u30ec\u30fc\u30c8\u3092\u81ea\u52d5\u7684\u306b\u62bd\u51fa\u3057\u3001\u6b21\u306e\u3044\u304f\u3064\u304b\u306e\u30b3\u30de\u30f3\u30c9\u306b\u76f4\u63a5\u6e21\u3059\u306e\u306f\u5f79\u306b\u7acb\u3064\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u3001\u51fa\u529b\u306e\u305f\u3081\u306e\u9069\u5207\u306a\u89e3\u50cf\u5ea6\u3068\u30d5\u30ec\u30fc\u30e0\u30ec\u30fc\u30c8\u306e\u5024\u3092\u30cf\u30fc\u30c9\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u3067GIF\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306e\u3044\u304f\u3064\u304b\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u3042\u308a\u307e\u3059\u3002FFmpeg\u5358\u4f53\u3067\u3082\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u304c\u3001\u69cb\u6587\u3092\u5909\u66f4\u3057\u305f\u308a\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u975e\u5e38\u306b\u56f0\u96e3\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">ffmpeg <span class=\"token parameter variable\">-filter_complex<\/span> <span class=\"token string\">&#8220;[0:v] fps=<mark>12<\/mark>,scale=w=<mark>540<\/mark>:h=-1,split [a][b];[a] palettegen [p];[b][p] paletteuse&#8221;<\/span> <span class=\"token parameter variable\">-i<\/span> clip.webm ffmpeg-sample.gif<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u30af\u30ea\u30c3\u30d7\u306e\u89e3\u50cf\u5ea6\u3068\u30d5\u30ec\u30fc\u30e0\u30ec\u30fc\u30c8\u3092\u534a\u5206\u306b\u6e1b\u3089\u3057\u3066\u3044\u307e\u3059\u3002\u30d5\u30ec\u30fc\u30e0\u30ec\u30fc\u30c8\u306f12fps\u3001\u89e3\u50cf\u5ea6\u306f540p\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u901a\u5e38\u3001GIF\u306e\u4f5c\u6210\u6642\u306e\u826f\u3044\u51fa\u767a\u70b9\u3067\u3059\u3002GIF\u306f\u753b\u50cf\u306e\u3088\u3046\u306b\u6271\u308f\u308c\u308b\u305f\u3081\u3001\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u304c\u8aad\u307f\u8fbc\u307e\u308c\u308b\u969b\u306b\u306f\u5b8c\u5168\u306b\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3055\u308c\u307e\u3059\u3002\u30d3\u30c7\u30aa\u306e\u3088\u3046\u306b\u89e3\u50cf\u5ea6\u304c\u5f90\u3005\u306b\u4e0b\u304c\u3063\u3066\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u3055\u308c\u308b\u3068\u3044\u3046\u6982\u5ff5\u306f\u3042\u308a\u307e\u305b\u3093\u3002CDN\u306e\u4f7f\u7528\u306f\u9759\u7684\u30b5\u30a4\u30c8\u306e\u30a2\u30bb\u30c3\u30c8\u306e\u914d\u4fe1\u3092\u6700\u9069\u5316\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u304c\u3001\u7279\u5b9a\u306e\u7406\u7531\u304c\u306a\u3044\u9650\u308a\u3001\u5de8\u5927\u306a\u753b\u50cf\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u306f\u907f\u3051\u308b\u3079\u304d\u3067\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u5fc5\u8981\u4ee5\u4e0a\u306b\u5927\u304d\u306aGIF\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u306f\u5e38\u306b\u907f\u3051\u308b\u3079\u304d\u3067\u3059\u3002\u753b\u50cf\u306b\u5bfe\u3057\u3066\u306f\u3001\u901a\u5e383M\u4ee5\u4e0b\u304c\u826f\u3044\u5b9f\u8df5\u3067\u3059\u3002\u65b0\u3057\u3044GIF\u306e\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u306f\u3001ls -lh\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">ls<\/span> <span class=\"token parameter variable\">-lh<\/span> ffmpeg-sample.gif<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>-rw-r&#8211;r&#8211; 1 sammy sammy <mark>2.0M<\/mark> Nov 16 14:28 ffmpeg-sample.gif<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3053\u306e\u65b9\u6cd5\u30672M\u306eGIF\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002\u3053\u308c\u306f\u826f\u3044\u7d50\u679c\u3067\u3059\u304c\u3001gifski\u3092\u4f7f\u7528\u3057\u3066\u3088\u308a\u8907\u96d1\u306a\u69cb\u6587\u3092\u4f7f\u7528\u305b\u305a\u306b\u3001\u3055\u3089\u306b\u826f\u3044\u7d50\u679c\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u6b21\u306egifski\u30b3\u30de\u30f3\u30c9\u3092\u8a66\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">gifski <span class=\"token parameter variable\">&#8211;fps<\/span> <mark><span class=\"token number\">12<\/span><\/mark> <span class=\"token parameter variable\">&#8211;width<\/span> <mark><span class=\"token number\">540<\/span><\/mark> <span class=\"token parameter variable\">-o<\/span> gifski-sample.gif clip.webm<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u91cd\u8981\u306a\u8a73\u7d30\u3067\u3042\u308b\u30d5\u30ec\u30fc\u30e0\u30ec\u30fc\u30c8\u3068\u89e3\u50cf\u5ea6\u3068\u5165\u529b\u3068\u51fa\u529b\u306e\u30d5\u30a1\u30a4\u30eb\u540d\u3060\u3051\u3092\u4fdd\u5b58\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u51fa\u529b\u30d5\u30a1\u30a4\u30eb\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">ls<\/span> <span class=\"token parameter variable\">-lh<\/span> gifski-sample.gif<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>-rw-r&#8211;r&#8211; 1 sammy sammy <mark>1.3M<\/mark> Nov 16 14:33 gifski-sample.gif<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3053\u308c\u306f\u308f\u305a\u304b1.3\u30e1\u30ac\u30d0\u30a4\u30c8\u3057\u304b\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u540c\u3058\u54c1\u8cea\u30ec\u30d9\u30eb\u3067\u5927\u5e45\u306b\u6539\u5584\u3055\u308c\u307e\u3057\u305f\u3002\u3053\u306e\u6bb5\u968e\u3067\u3001GIF\u306e\u30d5\u30eb\u30d5\u30ec\u30fc\u30e0\u30ec\u30fc\u30c8\u3001\u30d5\u30eb\u89e3\u50cf\u5ea6\u7248\u3092\u4f5c\u3063\u3066\u307f\u305f\u304f\u306a\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u6bd4\u8f03\u306e\u305f\u3081\u306b\u3001\u4ee5\u4e0b\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">gifski <span class=\"token parameter variable\">&#8211;fps<\/span> <mark><span class=\"token number\">25<\/span><\/mark> <span class=\"token parameter variable\">&#8211;width<\/span> <mark><span class=\"token number\">1080<\/span><\/mark> <span class=\"token parameter variable\">-o<\/span> gifski-high.gif clip.webm<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3053\u306e\u6700\u5f8c\u306e\u30c6\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb\u306e\u30b5\u30a4\u30ba\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">ls<\/span> <span class=\"token parameter variable\">-lh<\/span> gifski-high.gif<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>-rw-r&#8211;r&#8211; 1 sammy sammy <mark>6.9M<\/mark> Nov 16 14:37 gifski-high.gif<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>6.9M\u306f\u3001\u5143\u306e\u52d5\u753b\u30af\u30ea\u30c3\u30d7\u304c0.6M\u3060\u3063\u305f\u3053\u3068\u3092\u8003\u3048\u308b\u3068\u3001\u660e\u3089\u304b\u306b\u5927\u304d\u3059\u304e\u307e\u3059\uff01 GIF\u306f\u73fe\u4ee3\u306e\u30d3\u30c7\u30aa\u30b3\u30fc\u30c7\u30c3\u30af\u3068\u6bd4\u3079\u3066\u52b9\u7387\u304c\u826f\u304f\u3042\u308a\u307e\u305b\u3093\u3002\u9069\u5207\u306a\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u306b\u30a8\u30f3\u30b3\u30fc\u30c9\u3059\u308b\u969b\u306b\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u308f\u305a\u304b\u306a\u72a0\u7272\u3092\u6255\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306e\u6700\u7d42\u30b9\u30c6\u30c3\u30d7\u3067\u306f\u3001\u3055\u3089\u306bGIF\u3092\u6700\u9069\u5316\u3057\u307e\u3059\u3002<\/p>\n<div class=\"post-conf-note\">\n<p class=\"post-conf-desc\">Note<\/p>\n<div>\u6ce8\u610f\uff1a\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306e\u3044\u304b\u306a\u308b\u6bb5\u968e\u3067\u3082\u3001\u30ea\u30e2\u30fc\u30c8\u30b5\u30fc\u30d0\u30fc\u3067\u4f5c\u696d\u4e2d\u306e\u5834\u5408\u306f\u3001GIF\u3092\u30ed\u30fc\u30ab\u30eb\u306b\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u78ba\u8a8d\u3057\u305f\u308a\u3001Web\u30d6\u30e9\u30a6\u30b6\u3067\u8868\u793a\u3067\u304d\u308b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u79fb\u52d5\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306e\u54c1\u8cea\u306b\u5bfe\u3059\u308b\u8996\u899a\u7684\u306a\u53c2\u7167\u304c\u53ef\u80fd\u3068\u306a\u308a\u307e\u3059\u3002<\/div>\n<\/div>\n<h2>\u30b9\u30c6\u30c3\u30d75 \u2014 GIF\u306e\u6700\u9069\u5316\u3001\u691c\u8a3c\u3001\u8996\u8074<\/h2>\n<p>\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306e\u6700\u5f8c\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u306f\u3001gif\u3092\u6d17\u7df4\u3055\u305b\u308b\u305f\u3081\u306bgifsicle\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002gifsicle\u306f\u97f3\u58f0\u3084\u52d5\u753b\u306b\u5bfe\u3057\u3066ffmpeg\u304c\u884c\u3046\u3053\u3068\u3068\u540c\u69d8\u306b\u3001gif\u306b\u5bfe\u3057\u3066\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u307b\u307c\u4f55\u3067\u3082\u3067\u304d\u308b\u304c\u3001\u305d\u306e\u7d50\u679c\u3068\u3057\u3066\u304b\u306a\u308a\u8907\u96d1\u306b\u306a\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u5b9f\u969b\u306bGIF\u3092\u4f5c\u6210\u3059\u308b\u5834\u5408\u306fgifski\u3092\u4f7f\u7528\u3057\u3001\u6539\u5584\u3084\u64cd\u4f5c\u306b\u306f\u4e00\u90e8\u306egifsicle\u30b3\u30de\u30f3\u30c9\u306b\u7126\u70b9\u3092\u5f53\u3066\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u6700\u521d\u306b\u3001\u6a19\u6e96\u7684\u306agifsicle\u306e\u6700\u9069\u5316\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">gifsicle <span class=\"token parameter variable\">-O3<\/span> <span class=\"token parameter variable\">&#8211;lossy<\/span><span class=\"token operator\">=<\/span><span class=\"token number\">80<\/span> <span class=\"token parameter variable\">&#8211;colors<\/span> <span class=\"token number\">256<\/span> gifski-sample.gif <span class=\"token parameter variable\">-o<\/span> optimized.gif<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3053\u306e\u30b3\u30de\u30f3\u30c9\u3067\u306f\u3001\u6700\u3082\u7a4d\u6975\u7684\u306a\u6700\u9069\u5316\u306e\u305f\u3081\u306b -O3 \u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u6307\u5b9a\u3057\u3001&#8211;lossy 80 \u3067\u306f\u5143\u306e\u5165\u529b\u304b\u3089\u6700\u592720%\u306e\u753b\u8cea\u306e\u4f4e\u4e0b\u3092\u8a31\u5bb9\u3057\u3001&#8211;colors 256 \u3067\u306f\u51fa\u529b\u753b\u50cf\u3067\u6700\u5927256\u8272\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002GIF\u306f\u30e2\u30c0\u30f3\u306a\u30a4\u30f3\u30bf\u30fc\u30d5\u30ec\u30fc\u30e0\u306e\u30d3\u30c7\u30aa\u5727\u7e2e\u3084JPEG\u30b9\u30bf\u30a4\u30eb\u306e\u753b\u50cf\u5727\u7e2e\u6280\u8853\u3092\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u4f7f\u7528\u3057\u306a\u3044\u305f\u3081\u3001\u3042\u306a\u305f\u304c\u4e88\u60f3\u3059\u308b\u3088\u308a\u3082\u9ad8\u54c1\u8cea\u306e\u753b\u50cf\u304c\u751f\u6210\u3055\u308c\u307e\u3059\u3002\u307e\u305f\u3001\u3053\u306e\u6587\u8108\u3067\u306f\u3001256\u8272\u3068\u306f\u3001\u4e00\u822c\u7684\u306a256\u8272\u306e\u5236\u9650\u3055\u308c\u305f\u30d1\u30ec\u30c3\u30c8\u3067\u306f\u306a\u304f\u3001\u65e2\u5b58\u306eGIF\u306b\u57fa\u3065\u3044\u305f256\u8272\u306e\u30d1\u30ec\u30c3\u30c8\u5168\u4f53\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u4e00\u822c\u7684\u306b\u3001GIF\u306e\u5727\u7e2e\u306f\u3042\u307e\u308a\u76ee\u7acb\u3061\u307e\u305b\u3093\u3002<\/p>\n<p>\u6700\u5f8c\u306e\u30b9\u30c6\u30c3\u30d7\u3068\u540c\u69d8\u306b\u3001optimized.gif\u306e\u30b5\u30a4\u30ba\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">ls<\/span> <span class=\"token parameter variable\">-lh<\/span> optimized.gif<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>-rw-r&#8211;r&#8211; 1 sammy sammy <mark>935K<\/mark> Nov 16 14:44 optimized.gif<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3053\u306e\u6700\u5f8c\u306e\u30b9\u30c6\u30c3\u30d7\u306b\u3088\u3063\u3066\u3001\u5143\u306e\u30d3\u30c7\u30aa\u3088\u308a\u3082\u308f\u305a\u304b\u306b\u5927\u304d\u3044\u30b5\u30a4\u30ba\u3067\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u304c\u6210\u529f\u88cf\u306b\u524a\u6e1b\u3055\u308c\u307e\u3057\u305f\u3002\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u753b\u50cf\u306b\u3068\u3063\u3066\u975e\u5e38\u306b\u9069\u5207\u306a935K\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u4ee5\u524d\u306b\u8868\u793a\u3055\u308c\u3066\u3044\u305f\u6700\u9069\u5316\u3055\u308c\u305fGIF\u3068\u540c\u3058\u3082\u306e\u3067\u3059\u3002<\/p>\n<p>Gifsicle\u306e\u30de\u30cb\u30e5\u30a2\u30eb\u3092\u53c2\u7167\u3059\u308b\u3053\u3068\u3067\u3001\u4ed6\u306eGIF\u306e\u64cd\u4f5c\u65b9\u6cd5\u3092\u5b66\u3076\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001GIF\u3092\u300c\u7206\u767a\u300d\u3055\u305b\u3066\u3001\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306e\u5404\u30d5\u30ec\u30fc\u30e0\u3054\u3068\u306b1\u3064\u306e\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u306b\u5206\u89e3\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">gifsicle <span class=\"token parameter variable\">&#8211;explode<\/span> optimized.gif<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3053\u308c\u306b\u3088\u308a\u3001\u500b\u3005\u306e\u753b\u50cf\u3054\u3068\u306boptimized.gif.000\u3001optimized.gif.001\u306a\u3069\u3068\u3044\u3046\u540d\u524d\u306e\u8907\u6570\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u4f5c\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">ls<\/span> <span class=\"token parameter variable\">-lh<\/span> optimized*<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>-rw-r&#8211;r&#8211; 1 sammy sammy 935K Nov 16 14:46 optimized.gif -rw-r&#8211;r&#8211; 1 sammy sammy 20K Nov 16 14:54 optimized.gif.000 -rw-r&#8211;r&#8211; 1 sammy sammy 17K Nov 16 14:54 optimized.gif.001 -rw-r&#8211;r&#8211; 1 sammy sammy 22K Nov 16 14:54 optimized.gif.002 -rw-r&#8211;r&#8211; 1 sammy sammy 22K Nov 16 14:54 optimized.gif.003 \u2026<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&#8211;rotate-90\u307e\u305f\u306f&#8211;rotate-180\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3001GIF\u3092\u56de\u8ee2\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">gifsicle &#8211;rotate-90 optimized.gif <span class=\"token parameter variable\">-o<\/span> rotated.gif<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u52b9\u7387\u306e\u60aa\u3055\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001GIF\u306f\u307b\u307c\u3069\u3053\u3067\u3082\u4f7f\u7528\u3067\u304d\u308b\u305f\u3081\u3001\u4f9d\u7136\u3068\u3057\u3066\u5f79\u7acb\u3061\u307e\u3059\u3002\u81ea\u52d5\u7684\u306b\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3055\u305b\u308b\u305f\u3081\u306e\u77ed\u3044\u30af\u30ea\u30c3\u30d7\u304c\u5fc5\u8981\u306a\u5834\u5408\u3084\u3001\u6620\u50cf\u3067\u306f\u306a\u304f\u753b\u50cf\u5f62\u5f0f\u304c\u5fc5\u8981\u306a\u5834\u5408\u3001\u6642\u306b\u306f\u53e4\u304d\u826f\u304dGIF\u306b\u4ee3\u308f\u308b\u3082\u306e\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u3001\u65e2\u5b58\u306e\u30d3\u30c7\u30aa\u304b\u3089\u6700\u9069\u5316\u3055\u308c\u305fGIF\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306b\u8907\u6570\u306e\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u307e\u3057\u305f\u3002\u3055\u3089\u306b\u3001\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e\u30d3\u30c7\u30aa\u64cd\u4f5c\u3084GIF\u64cd\u4f5c\u306e\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u3001\u304a\u3088\u3073GIF\u3092\u3055\u3089\u306b\u7de8\u96c6\u3059\u308b\u305f\u3081\u306e\u4ed6\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u306b\u3064\u3044\u3066\u3082\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002GIF\u306f\u8208\u5473\u6df1\u3044\u6642\u4ee3\u9045\u308c\u306e\u6280\u8853\u3067\u3059\u3002\u591a\u304f\u306e\u9762\u3067\u306f\u73fe\u4ee3\u7684\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u7279\u5b9a\u306e\u6587\u8108\u3067\u306f\u307e\u3060\u672c\u5f53\u306e\u4ee3\u66ff\u624b\u6bb5\u304c\u3042\u308a\u307e\u305b\u3093\u3057\u3001GIF\u3092\u6271\u3046\u305f\u3081\u306e\u30c4\u30fc\u30eb\u306f\u5805\u7262\u3067\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u304c\u884c\u304d\u5c4a\u3044\u3066\u3044\u307e\u3059\u3002\u305d\u3046\u8a00\u3063\u3066\u3001\u8ce2\u304fGIF\u3092\u4f7f\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u6b21\u306b\u3001Node.js\u3067\u30e1\u30c7\u30a3\u30a2\u51e6\u7406API\u3092\u69cb\u7bc9\u3059\u308b\u65b9\u6cd5\u3092\u5b66\u3076\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4ee5\u4e0b\u306e\u6587\u7ae0\u3092\u65e5\u672c\u8a9e\u306b\u30cd\u30a4\u30c6\u30a3\u30d6\u306a\u8a00\u8449\u3067\u8a00\u3044\u63db\u3048\u3066\u304f\u3060\u3055\u3044\u3002\u4e00\u3064\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u7d50\u69cb\u3067\u3059\u3002 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