{"id":9973,"date":"2025-10-18T08:24:42","date_gmt":"2025-10-18T08:24:42","guid":{"rendered":"https:\/\/pokecon.jp\/job\/?p=9973"},"modified":"2025-10-18T08:24:42","modified_gmt":"2025-10-18T08:24:42","slug":"ffmpeg-on-docker%e3%81%ab%e3%82%88%e3%82%8a%e3%82%a2%e3%83%97%e3%83%aa%e3%83%88%e3%83%ac%e3%83%b3%e3%83%89%e5%85%b1%e6%9c%89%e4%bc%9a%e3%81%a7%e3%82%a2%e3%83%8b%e3%83%a1gif%e3%82%92%e8%a6%8b%e3%81%9b","status":"publish","type":"post","link":"https:\/\/pokecon.jp\/job\/9973\/","title":{"rendered":"FFmpeg on Docker\u306b\u3088\u308a\u30a2\u30d7\u30ea\u30c8\u30ec\u30f3\u30c9\u5171\u6709\u4f1a\u3067\u30a2\u30cb\u30e1GIF\u3092\u898b\u305b\u308b\u306e\u304c\u697d\u306b\u306a\u308a\u307e\u3057\u305f\uff01"},"content":{"rendered":"\n<\/p>\n<div>\n<p data-line=\"0\" class=\"code-line\">\u30cd\u30a4\u30c6\u30a3\u30d6\u30a2\u30d7\u30ea\u958b\u767a\u30c1\u30fc\u30e0\u306e\u5b9a\u4f8bMTG\u3067\u306f\u3001\u6700\u8fd1\u306e\u30c8\u30ec\u30f3\u30c9\u3092\u5171\u6709\u3059\u308b\u6642\u9593\u304c\u3042\u308a\u307e\u3059\u3002\u30c8\u30ec\u30f3\u30c9\u3068\u3044\u3046\u3068\u6577\u5c45\u304c\u9ad8\u305d\u3046\u3067\u3059\u304c\u3001\u5404\u81ea\u304c\u4f55\u304b\u76ee\u306b\u3064\u3044\u305f\u3082\u306e\u3092\u3086\u308b\u304f\u5171\u6709\u3059\u308b\u6642\u9593\u306b\u306a\u3063\u3066\u3044\u3066\u3001\u81ea\u5206\u3072\u3068\u308a\u3067\u306f\u6c17\u3065\u304b\u306a\u3044\u3082\u306e\u304c\u5bc4\u305b\u3089\u308c\u308b\u306e\u3067\u3001\u3044\u3064\u3082\u697d\u3057\u307f\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p data-line=\"2\" 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class=\"code-line\">\u79c1\u306f\u30a2\u30cb\u30e1GIF\u3078\u306e\u5909\u63db\u306b\u52d5\u753b\u5909\u63db\u30c4\u30fc\u30eb\u306eFFmpeg\u3092Docker\u304b\u3089\u4f7f\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u3084\u308a\u65b9\u304c\u3059\u3054\u3044\u6c17\u306b\u5165\u3063\u3066\u3044\u308b\u306e\u3067\u3001\u4eca\u65e5\u306f\u305d\u306e\u7d39\u4ecb\u3092\u3057\u307e\u3059\u3002<\/p>\n<p data-line=\"6\" class=\"code-line\"><span class=\"embed-block zenn-embedded zenn-embedded-card\"><iframe id=\"zenn-embedded__9f16cd61e2729\" src=\"https:\/\/embed.zenn.studio\/card#zenn-embedded__9f16cd61e2729\" data-content=\"https%3A%2F%2Fwww.ffmpeg.org%2F\" frameborder=\"0\" scrolling=\"no\" loading=\"lazy\"><\/iframe><\/span><a target=\"_blank\" href=\"https:\/\/www.ffmpeg.org\/\" style=\"display:none\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">https:\/\/www.ffmpeg.org\/<\/a><\/p>\n<h2 id=\"%E3%81%AA%E3%81%9Cdocker%EF%BC%9F\" data-line=\"8\" class=\"code-line\">\n \u306a\u305cDocker\uff1f<\/h2>\n<p data-line=\"10\" class=\"code-line\">\u958b\u767a\u8005\u304c\u5e38\u7528\u3057\u3066\u3044\u308bmacOS\u3067\u3082FFmpeg\u306f\u4f7f\u3048\u308b\u306e\u3067\u305d\u306e\u307e\u307e\u4f7f\u3048\u3070\u3044\u3044\u3058\u3083\u3093\u3068\u3044\u3046\u611f\u3058\u3067\u3059\u304c\u3001FFmpeg\u3055\u3093\u3063\u3066\u7d50\u69cb\u4f9d\u5b58\u95a2\u4fc2\u304c\u591a\u3044\u3067\u3059\u3088\u306d\u3002FFmpeg\u306e\u5229\u7528\u983b\u5ea6\u304c\u591a\u3051\u308c\u3070\u6c17\u306b\u306a\u3089\u306a\u3044\u304b\u3082\u3067\u3059\u304c\u3001\u6ec5\u591a\u306b\u4f7f\u308f\u306a\u3044\u306e\u3067\u305d\u306e\u305f\u3081\u306b\u4f9d\u5b58\u304c\u591a\u3044\u3082\u306e\u3092\u5165\u308c\u308b\u306e\u304c\u306a\u3093\u3068\u306a\u304f\u5acc\u3068\u3044\u3046\u7d50\u69cb\u500b\u4eba\u7684\u306a\u6c17\u6301\u3061\u304c\u5927\u304d\u3044\u3067\u3059\u3002<\/p>\n<p data-line=\"12\" class=\"code-line\">\u696d\u52d9\u3067\u306fDocker\u3092\u4f7f\u3063\u3066\u3044\u308b\u306e\u3067\u3001Docker\u304b\u3089\u4f7f\u3048\u308c\u3070\u3053\u3046\u3057\u305f\u70b9\u3092\u6c17\u306b\u305b\u305a\u3059\u307f\u307e\u3059\u304b\u3089\u3001\u500b\u4eba\u306e\u74b0\u5883\u3082\u542b\u3081\u3066\u3053\u306e\u3084\u308a\u65b9\u304c\u6c17\u306b\u5165\u3063\u3066\u3044\u308b\u306e\u3067\u3059\u3002<\/p>\n<h2 id=\"%E5%9F%BA%E6%9C%AC%E3%81%AE%E5%8B%95%E7%94%BB%E5%A4%89%E6%8F%9B\" data-line=\"14\" class=\"code-line\">\n \u57fa\u672c\u306e\u52d5\u753b\u5909\u63db<\/h2>\n<p data-line=\"16\" class=\"code-line\">\u30ab\u30ec\u30f3\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b<code>input.mov<\/code>\u3068\u3044\u3046\u52d5\u753b\u3092\u7f6e\u3044\u3066\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3067<code>output.gif<\/code>\u3068\u3044\u3046\u30d5\u30a1\u30a4\u30eb\u304c\u51fa\u529b\u3067\u304d\u307e\u3059\u3002\u30d5\u30ec\u30fc\u30e0\u6570\u3092\u8abf\u6574\u3057\u305f\u3051\u308c\u3070<code>fps<\/code>\u3092\u3001\u30b5\u30a4\u30ba\u3092\u8abf\u6574\u3057\u305f\u3051\u308c\u3070<code>scale<\/code>\u306e\u5024\u3092\u5909\u3048\u307e\u3059\u3002<\/p>\n<div class=\"code-block-container\">\n<pre class=\"language-shell\"><code class=\"language-shell code-line\" data-line=\"18\"><span class=\"token function\">docker<\/span> run <span class=\"token parameter variable\">--rm<\/span> <span class=\"token parameter variable\">-v<\/span> <span class=\"token string\">\"<span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token builtin class-name\">pwd<\/span><span class=\"token variable\">)<\/span><\/span>:\/workspace\"<\/span> linuxserver\/ffmpeg <span class=\"token punctuation\">\\<\/span>\n    <span class=\"token parameter variable\">-i<\/span> \/workspace\/input.mov <span class=\"token punctuation\">\\<\/span>\n    <span class=\"token parameter variable\">-filter_complex<\/span> <span class=\"token string\">\"[0:v]fps=30,scale=320:-1:flags=lanczos,palettegen[p]; \\\n                     [0:v]fps=30,scale=320:-1:flags=lanczos[v]; \\\n                     [v][p]paletteuse\"<\/span> <span class=\"token punctuation\">\\<\/span>\n    <span class=\"token parameter variable\">-loop<\/span> <span class=\"token number\">0<\/span> <span class=\"token punctuation\">\\<\/span>\n    <span class=\"token parameter variable\">-y<\/span> \/workspace\/output.gif\n<\/code><\/pre>\n<\/div>\n<p data-line=\"28\" class=\"code-line\">\u3053\u3093\u306a\u611f\u3058\u306e\u52d5\u753b\u304c\u3067\u304d\u308b\u308f\u3051\u3067\u3059\u306d\u3002<\/p>\n<p data-line=\"30\" class=\"code-line\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/zenn-user-upload\/deployed-images\/0db873c827ef11cda0dcd4af.gif?sha=0da74d561fc8aa7b6090678a117afd2036dab904\" class=\"md-img\" loading=\"lazy\"\/><\/p>\n<h2 id=\"%E3%82%B9%E3%83%AD%E3%83%BC%E5%86%8D%E7%94%9F\" data-line=\"32\" class=\"code-line\">\n \u30b9\u30ed\u30fc\u518d\u751f<\/h2>\n<p data-line=\"34\" class=\"code-line\">UI\u306e\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u898b\u305b\u305f\u3044\u3068\u306a\u308b\u3068\u3001\u30b9\u30ed\u30fc\u518d\u751f\u3057\u305f\u304f\u306a\u308a\u307e\u3059\u3002\u3068\u3044\u3046\u304b\u3001\u5148\u65e5\u307e\u3055\u306b\u3053\u308c\u304c\u3084\u308a\u305f\u304f\u306a\u308a\u307e\u3057\u305f\u3002setpts\u30d5\u30a3\u30eb\u30bf\u3067\u518d\u751f\u901f\u5ea6\u3092\u5909\u3048\u3089\u308c\u307e\u3059\u30020.5\u500d\u901f\u306b\u3057\u305f\u3044\u5834\u5408\u306f<code>setpts=2*PTS<\/code>\u3068\u3057\u307e\u3059\u3002\u306a\u308b\u3079\u304f\u7d30\u304b\u3044\u52d5\u304d\u3092\u898b\u305f\u3044\u306e\u3067\u300160fps\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n<div class=\"code-block-container\">\n<pre class=\"language-shell\"><code class=\"language-shell code-line\" data-line=\"36\"><span class=\"token function\">docker<\/span> run <span class=\"token parameter variable\">--rm<\/span> <span class=\"token parameter variable\">-v<\/span> <span class=\"token string\">\"<span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token builtin class-name\">pwd<\/span><span class=\"token variable\">)<\/span><\/span>:\/workspace\"<\/span> linuxserver\/ffmpeg <span class=\"token punctuation\">\\<\/span>\n    <span class=\"token parameter variable\">-i<\/span> \/workspace\/input.mov <span class=\"token punctuation\">\\<\/span>\n    <span class=\"token parameter variable\">-filter_complex<\/span> <span class=\"token string\">\"[0:v]fps=60,scale=320:-1:flags=lanczos,setpts=2*PTS,palettegen[p]; \\\n                     [0:v]fps=60,scale=320:-1:flags=lanczos,setpts=2*PTS[v]; \\\n                     [v][p]paletteuse\"<\/span> <span class=\"token punctuation\">\\<\/span>\n    <span class=\"token parameter variable\">-loop<\/span> <span class=\"token number\">0<\/span> <span class=\"token punctuation\">\\<\/span>\n    <span class=\"token parameter variable\">-y<\/span> \/workspace\/output-slow.gif\n<\/code><\/pre>\n<\/div>\n<p data-line=\"46\" class=\"code-line\">\u3055\u3063\u304d\u306e\u52d5\u753b\u304c\u3001\u3053\u3093\u306a\u98a8\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p data-line=\"48\" class=\"code-line\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/zenn-user-upload\/deployed-images\/43c7344d991f4895413ddfa2.gif?sha=8931032bc7ce2e72174373a0b669f74643ca5f91\" class=\"md-img\" loading=\"lazy\"\/><\/p>\n<h2 id=\"webp%E5%BD%A2%E5%BC%8F%E3%81%AB%E3%82%82%E3%81%A7%E3%81%8D%E3%81%BE%E3%81%99\" data-line=\"50\" class=\"code-line\">\n WebP\u5f62\u5f0f\u306b\u3082\u3067\u304d\u307e\u3059<\/h2>\n<div class=\"code-block-container\">\n<pre class=\"language-shell\"><code class=\"language-shell code-line\" data-line=\"52\"><span class=\"token function\">docker<\/span> run <span class=\"token parameter variable\">--rm<\/span> <span class=\"token parameter variable\">-v<\/span> <span class=\"token string\">\"<span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token builtin class-name\">pwd<\/span><span class=\"token variable\">)<\/span><\/span>:\/workspace\"<\/span> linuxserver\/ffmpeg <span class=\"token punctuation\">\\<\/span>\n    <span class=\"token parameter variable\">-i<\/span> \/workspace\/input.mov <span class=\"token punctuation\">\\<\/span>\n    <span class=\"token parameter variable\">-vf<\/span> <span class=\"token string\">\"fps=30,scale=320:-1\"<\/span> <span class=\"token punctuation\">\\<\/span>\n    <span class=\"token parameter variable\">-c:v<\/span> libwebp <span class=\"token parameter variable\">-quality<\/span> <span class=\"token number\">80<\/span> <span class=\"token parameter variable\">-compression_level<\/span> <span class=\"token number\">6<\/span> <span class=\"token punctuation\">\\<\/span>\n    \/workspace\/output.webp\n<\/code><\/pre>\n<\/div>\n<p data-line=\"60\" class=\"code-line\"><img decoding=\"async\" src=\"https:\/\/res.cloudinary.com\/zenn\/image\/fetch\/s--bMmFAw2p--\/https:\/\/storage.googleapis.com\/zenn-user-upload\/deployed-images\/02cccd572ae8577a02164b46.webp%3Fsha%3Dc1bae9f04ceb342d10d13a2705ba5615102c8cef\" class=\"md-img\" loading=\"lazy\"\/><\/p>\n<h2 id=\"%E3%81%BE%E3%81%A8%E3%82%81\" data-line=\"62\" class=\"code-line\">\n \u307e\u3068\u3081<\/h2>\n<p data-line=\"64\" class=\"code-line\">FFmpeg\u306f\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u3084\u3084\u3053\u3057\u304f\u3066\u3001\u4e00\u5ea6\u4f5c\u3063\u305f\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u69cb\u6210\u3092\u79d8\u4f1d\u306e\u30bf\u30ec\u306e\u3088\u3046\u306b\u5927\u4e8b\u306b\u30b3\u30d4\u30da\u3057\u306a\u304c\u3089\u4f7f\u3063\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<p data-line=\"66\" class=\"code-line\">\u3057\u304b\u3057\u4eca\u3060\u3068AI\u3092\u4f7f\u3048\u3070\u81ea\u7136\u8a00\u8a9e\u3067\u6307\u793a\u3092\u3057\u305f\u3089\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u5168\u90e8\u4f5c\u3063\u3066\u304f\u308c\u308b\u306e\u3067\u3059\u3054\u3044\u697d\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u4eca\u56de\u306e\u30b9\u30ed\u30fc\u518d\u751f\u306e\u3084\u3064\u3082\u3001\u5143\u306e\u30b3\u30de\u30f3\u30c9\u3092\u300c\u30b9\u30ed\u30fc\u518d\u751f\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u300d\u3063\u3066\u8a00\u3063\u305f\u3060\u3051\u3067\u3059\u3002<\/p>\n<p data-line=\"68\" class=\"code-line\">\u4f7f\u3044\u3053\u306a\u3059\u306e\u304c\u7c21\u5358\u306b\u306a\u3063\u3066\u304d\u305f\u5370\u8c61\u306a\u306e\u3067\u3001\u4ed6\u306b\u3082\u540c\u3058\u3088\u3046\u306b\u304a\u60a9\u307f\u306e\u65b9\u304c\u3044\u305f\u3089\u305c\u3072\u8a66\u3057\u3066\u307f\u3066\u307b\u3057\u3044\u3067\u3059\uff01<\/p>\n<\/div>\n\n<br \/><a href=\"https:\/\/zenn.dev\/arm_techblog\/articles\/13f6d1ba7315bf\">\u5143\u306e\u8a18\u4e8b\u3092\u78ba\u8a8d\u3059\u308b <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"\u30cd\u30a4\u30c6\u30a3\u30d6\u30a2\u30d7\u30ea\u958b\u767a\u30c1\u30fc\u30e0\u306e\u5b9a\u4f8bMTG\u3067\u306f\u3001\u6700\u8fd1\u306e\u30c8\u30ec\u30f3\u30c9\u3092\u5171\u6709\u3059\u308b\u6642\u9593\u304c\u3042\u308a\u307e\u3059\u3002\u30c8\u30ec\u30f3\u30c9\u3068\u3044\u3046\u3068\u6577\u5c45\u304c\u9ad8\u305d\u3046\u3067\u3059\u304c\u3001\u5404\u81ea\u304c\u4f55\u304b\u76ee\u306b\u3064\u3044\u305f\u3082\u306e\u3092\u3086\u308b\u304f\u5171\u6709\u3059\u308b\u6642\u9593\u306b\u306a\u3063\u3066\u3044\u3066\u3001\u81ea\u5206\u3072\u3068\u308a\u3067\u306f\u6c17\u3065\u304b\u306a\u3044\u3082\u306e\u304c\u5bc4\u305b\u3089\u308c\u308b\u306e 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