{"id":22414,"date":"2026-09-29T23:53:51","date_gmt":"2026-09-29T14:53:51","guid":{"rendered":"https:\/\/cg-method.com\/video-editing\/?p=22414"},"modified":"2026-10-03T17:51:46","modified_gmt":"2026-10-03T08:51:46","slug":"ffmpeg-fix-variable-frame-rate","status":"publish","type":"post","link":"https:\/\/cg-method.com\/video-editing\/ffmpeg-fix-variable-frame-rate\/","title":{"rendered":"FFmpeg\u3067VFR\u3092CFR\u306b\u5909\u63db\u3059\u308b\u65b9\u6cd5\uff5cfps\u30fb\u97f3\u58f0\u30fb\u9577\u3055\u306e\u78ba\u8a8d"},"content":{"rendered":"\n

FFmpeg\u3067VFR\uff08\u53ef\u5909\u30d5\u30ec\u30fc\u30e0\u30ec\u30fc\u30c8\uff09\u3092CFR\uff08\u56fa\u5b9a\u30d5\u30ec\u30fc\u30e0\u30ec\u30fc\u30c8\uff09\u306b\u5909\u63db\u3059\u308b\u306b\u306f\u3001fps\u30d5\u30a3\u30eb\u30bf\u30fc\u3001\u307e\u305f\u306f\u51fa\u529b\u5074\u306e-fps_mode cfr\u3068-r\u3092\u4f7f\u3044\u307e\u3059\u3002\u3069\u3061\u3089\u3082\u8868\u793a\u6642\u523b\u306b\u5408\u308f\u305b\u3066\u30b3\u30de\u3092\u8907\u88fd\u30fb\u9593\u5f15\u304d\u3057\u3001\u6620\u50cf\u3092\u518d\u30a8\u30f3\u30b3\u30fc\u30c9\u3057\u307e\u3059\u3002\u5143\u30d5\u30a1\u30a4\u30eb\u3092\u6b8b\u3057\u3001\u5225\u540d\u306e\u30b3\u30d4\u30fc\u3067\u6bd4\u8f03\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n

VFR\u3067\u3042\u308b\u3060\u3051\u3067\u97f3\u30ba\u30ec\u3059\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002Premiere\u3067\u5f8c\u534a\u307b\u3069\u305a\u308c\u308b\u5834\u5408\u306f\u3001\u5148\u306b\u5143\u52d5\u753b\u3068\u30bf\u30a4\u30e0\u30e9\u30a4\u30f3\u306e\u97f3\u30ba\u30ec\u3092\u5207\u308a\u5206\u3051\u308b\u624b\u9806<\/a>\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u4e00\u5b9a\u91cf\u306e\u97f3\u58f0\u30aa\u30d5\u30bb\u30c3\u30c8\u3084\u53ce\u9332\u6642\u306e\u6b20\u843d\u306f\u3001fps\u3092\u63c3\u3048\u308b\u3060\u3051\u3067\u306f\u76f4\u305b\u307e\u305b\u3093\u3002<\/p>\n\n\n

\u5909\u63db\u3059\u308b\u304b\u3001\u3069\u306efps\u306b\u3059\u308b\u304b\u3092\u6c7a\u3081\u308b<\/h2>\n\n\n
\u72b6\u6cc1<\/th>\u78ba\u8a8d\u30fb\u51e6\u7f6e<\/th><\/tr><\/thead>
\u5143\u52d5\u753b\u3082\u7de8\u96c6\u30bd\u30d5\u30c8\u3082\u6b63\u5e38\u306b\u540c\u671f\u3059\u308b<\/td>VFR\u306e\u8868\u793a\u3060\u3051\u3092\u7406\u7531\u306b\u5909\u63db\u3057\u306a\u3044\u3002\u7d0d\u54c1\u6761\u4ef6\u306bCFR\u6307\u5b9a\u304c\u3042\u308b\u304b\u3092\u78ba\u8a8d\u3059\u308b<\/td><\/tr>
\u5143\u52d5\u753b\u306f\u6b63\u5e38\u3060\u304c\u7de8\u96c6\u30bd\u30d5\u30c8\u3067\u305a\u308c\u308b<\/td>\u77ed\u3044\u7bc4\u56f2\u3092CFR\u306b\u5909\u63db\u3057\u3001\u540c\u3058\u7de8\u96c6\u8a2d\u5b9a\u3067\u6bd4\u8f03\u3059\u308b<\/td><\/tr>
\u5143\u52d5\u753b\u304b\u3089\u97f3\u304c\u305a\u308c\u3066\u3044\u308b<\/td>\u5165\u529b\u306e\u6642\u523b\u30fb\u4e00\u5b9a\u306e\u97f3\u58f0\u30aa\u30d5\u30bb\u30c3\u30c8\u30fb\u6b20\u843d\u3092\u5148\u306b\u8abf\u3079\u308b<\/td><\/tr>
30\u30fb29.97\u30fb60\u306a\u3069\u306e\u6307\u5b9a\u304c\u3042\u308b<\/td>\u64ae\u5f71\u8a2d\u5b9a\u3068\u7de8\u96c6\u30fb\u7d0d\u54c1\u4ed5\u69d8\u306b\u5408\u308f\u305b\u308b\u300229.97\u306f30000\/1001\u300159.94\u306f60000\/1001\u3092\u4f7f\u3046<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n

VFR\u306f\u3001\u96a3\u308a\u5408\u3046\u6620\u50cf\u30d5\u30ec\u30fc\u30e0\u306e\u8868\u793a\u9593\u9694\u304c\u5909\u308f\u308b\u5f62\u5f0f\u3067\u3059\u3002\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u3084\u753b\u9762\u9332\u753b\u306e\u3059\u3079\u3066\u304cVFR\u3068\u3044\u3046\u610f\u5473\u3067\u3082\u3001\u9759\u6b62\u753b\u9762\u3060\u3051\u30b3\u30de\u3092\u6e1b\u3089\u3059\u3068\u3044\u3046\u5b9a\u7fa9\u3067\u3082\u3042\u308a\u307e\u305b\u3093\u300230fps\u3078\u306e\u5909\u63db\u306710fps\u90e8\u5206\u306e\u30b3\u30de\u3092\u8907\u88fd\u3057\u3066\u3082\u3001\u305d\u306e\u9593\u306e\u65b0\u3057\u3044\u52d5\u304d\u306f\u5fa9\u5143\u3055\u308c\u307e\u305b\u3093\u300260fps\u7d20\u6750\u309230fps\u306b\u3059\u308b\u3068\u52d5\u304d\u306e\u60c5\u5831\u3092\u9593\u5f15\u304f\u305f\u3081\u300130\u3092\u4e00\u5f8b\u306e\u63a8\u5968\u5024\u306b\u306f\u3057\u307e\u305b\u3093\u3002<\/p>\n\n\n

ffprobe\u3067VFR\u3092\u8abf\u3079\u308b<\/h2>\n\n\n
ffprobe -v error -select_streams v:0 -show_entries stream=r_frame_rate,avg_frame_rate,nb_frames,duration,time_base -of default=nw=1 "vfr.mp4"<\/code><\/pre><\/div>\n\n\n
\u9805\u76ee<\/th>\u904e\u53bb\u306e\u5165\u529b\u3067\u306e\u5831\u544a\u5024<\/th>\u8aad\u307f\u65b9<\/th><\/tr><\/thead>
r_frame_rate<\/td>30\/1<\/td>\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3092\u8868\u73fe\u3059\u308b\u57fa\u6e96\u30ec\u30fc\u30c8\u306e\u63a8\u5b9a\u5024<\/td><\/tr>
avg_frame_rate<\/td>450\/23\uff08\u7d0419.57fps\uff09<\/td>FFmpeg\u304c\u5831\u544a\u3059\u308b\u5e73\u5747\u30ec\u30fc\u30c8<\/td><\/tr>
nb_frames<\/td>120<\/td>\u8a18\u9332\u3055\u308c\u3066\u3044\u308b\u30b3\u30de\u6570\u3002\u5f62\u5f0f\u306b\u3088\u3063\u3066\u306f\u53d6\u5f97\u3067\u304d\u306a\u3044<\/td><\/tr>
duration<\/td>6.000000<\/td>\u6620\u50cf\u30b9\u30c8\u30ea\u30fc\u30e0\u306e\u9577\u3055\uff08\u79d2\uff09<\/td><\/tr><\/tbody><\/table>
2026\u5e749\u670829\u65e5\u306eWindows 11\u30fbFFmpeg 9.0.2\u3067\u306e\u65e2\u5b58\u6e2c\u5b9a\u8a18\u9332\u3002\u524d\u534a10fps\u30fb\u5f8c\u534a30fps\u306e6\u79d2\u306e\u751f\u6210\u52d5\u753b\u3002<\/figcaption><\/figure>\n\n\n
r_frame_rate\u3068avg_frame_rate\u306e\u5dee\u306f\u8abf\u67fb\u306e\u304d\u3063\u304b\u3051\u3067\u3001\u5dee\u304c\u3042\u308b\u30fb\u306a\u3044\u3060\u3051\u3067\u306fVFR\/CFR\u3092\u65ad\u5b9a\u3067\u304d\u307e\u305b\u3093\u3002\u5831\u544a\u3055\u308c\u305favg_frame_rate\u306f\u3001\u8868\u793a\u3055\u308c\u305fnb_frames\u00f7duration\u3068\u4e00\u81f4\u3059\u308b\u3068\u306f\u9650\u3089\u306a\u3044\u305f\u3081\u3001120\u00f76\u304b\u3089\u4e0a\u306e\u5831\u544a\u5024\u3092\u66f8\u304d\u63db\u3048\u308b\u3053\u3068\u3082\u3057\u307e\u305b\u3093\u3002\u516c\u5f0fAVStream\u8cc7\u6599<\/a>\u3067\u3082\u3001r_frame_rate\u306f\u63a8\u5b9a\u5024\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n
ffprobe -v error -select_streams v:0 -show_entries frame=pts_time -of csv=p=0 "vfr.mp4"\nffmpeg -i "vfr.mp4" -vf vfrdet -an -f null -<\/code><\/pre><\/div>\n\n\n
\u96a3\u308a\u5408\u3046pts_time\u306e\u5dee\u3092\u6bd4\u8f03\u3057\u307e\u3059\u3002\u4e0a\u306e\u904e\u53bb\u306e\u5165\u529b\u3067\u306f0.100\u79d2\u304c30\u500b\u3001\u7d040.033\u79d2\u304c89\u500b\u3067\u3057\u305f\u3002\u5206\u6570fps\u3084\u6642\u523b\u306e\u5358\u4f4d\u306b\u3088\u308b\u5fae\u5c0f\u306a\u4e38\u3081\u5dee\u3068\u3001\u3053\u306e\u3088\u3046\u306a\u660e\u78ba\u306a\u9593\u9694\u306e\u9055\u3044\u3092\u5206\u3051\u3066\u8aad\u307f\u307e\u3059\u3002pts_time\u3092\u53d6\u5f97\u3067\u304d\u306a\u3044\u5165\u529b\u3067\u306f\u3001frame=best_effort_timestamp_time\u3082\u8abf\u67fb\u306e\u5019\u88dc\u3067\u3059\u304c\u3001\u6b20\u843d\u30fb\u7834\u640d\u3057\u305f\u6642\u523b\u3092\u6b63\u5e38\u3068\u307f\u306a\u3059\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n
vfrdet\u306f\u8868\u793a\u6642\u523b\u306e\u5dee\u306e\u5909\u5316\u3092\u691c\u51fa\u3059\u308b\u88dc\u52a9\u3067\u3059\u3002\u672b\u5c3e\u306eVFR\u5024\u3092\u300cVFR\u306e\u30b3\u30de\u306e\u5272\u5408\u300d\u3068\u8aad\u307f\u66ff\u3048\u305a\u3001\u30b3\u30de\u3054\u3068\u306e\u6642\u523b\u3068\u4f75\u305b\u3066\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n
\u65b9\u6cd51\uff1afps\u30d5\u30a3\u30eb\u30bf\u30fc\u306730fps\u306e\u30b3\u30d4\u30fc\u3092\u4f5c\u308b<\/h2>\n\n\n
\u6b21\u306e\u4f8b\u306f\u4e00\u822c\u7684\u306a8bit SDR\u52d5\u753b\u3092H.264\u30fbMP4\u3078\u5909\u63db\u3059\u308b\u8a2d\u5b9a\u3067\u3059\u3002\u5165\u529b\u306fvfr.mp4\u3001\u51fa\u529b\u306fcfr.mp4\u3067\u3059\u3002-n\u306b\u3088\u308a\u65e2\u5b58\u306e\u540c\u540d\u51fa\u529b\u304c\u3042\u308b\u5834\u5408\u306f\u505c\u6b62\u3057\u307e\u3059\u3002FFmpeg\u304cPATH\u304b\u3089\u5b9f\u884c\u3067\u304d\u308bPowerShell\u306e\u4f5c\u696d\u30d5\u30a9\u30eb\u30c0\u30fc\u3067\u4f7f\u3044\u307e\u3059\u3002<\/p>\n\n\n
ffmpeg -n -i "vfr.mp4" -map 0:v:0 -map "0:a:0?" -vf fps=30 -c:v libx264 -crf 18 -pix_fmt yuv420p -c:a copy "cfr.mp4"<\/code><\/pre><\/div>\n\n\n
fps=30\u306f\u4e00\u5b9a\u306e\u8868\u793a\u9593\u9694\u306b\u306a\u308b\u3088\u3046\u30b3\u30de\u3092\u8907\u88fd\u30fb\u9593\u5f15\u304d\u3057\u307e\u3059\u3002CRF 18\u306f\u3053\u306e\u4f8b\u306e\u753b\u8cea\u8a2d\u5b9a\u3067\u3001\u7121\u52a3\u5316\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002-map\u3067\u6700\u521d\u306e\u6620\u50cf\u3068\u3001\u5b58\u5728\u3059\u308c\u3070\u6700\u521d\u306e\u97f3\u58f0\u3060\u3051\u3092\u9078\u3076\u305f\u3081\u3001\u8907\u6570\u97f3\u58f0\u30fb\u5b57\u5e55\u30fb\u6dfb\u4ed8\u3092\u3059\u3079\u3066\u4fdd\u5b58\u3059\u308b\u30b3\u30de\u30f3\u30c9\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002HDR\u30fb10bit\u30fb\u900f\u904e\u306a\u3069\u3092\u4fdd\u6301\u3059\u308b\u7528\u9014\u306b\u306f\u3001\u305d\u306e\u307e\u307e\u6d41\u7528\u305b\u305a\u51fa\u529b\u306e\u8272\u30fb\u30d3\u30c3\u30c8\u6df1\u5ea6\u30fb\u5f62\u5f0f\u3092\u5225\u306b\u8a2d\u8a08\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n
\u97f3\u58f0\u306e-c:a copy\u306f\u518d\u30a8\u30f3\u30b3\u30fc\u30c9\u3092\u7701\u304f\u6307\u5b9a\u3067\u3059\u3002MP4\u306b\u5165\u308c\u3089\u308c\u306a\u3044\u97f3\u58f0\u5f62\u5f0f\u3067\u306f\u30a8\u30e9\u30fc\u306b\u306a\u308b\u305f\u3081\u3001\u305d\u306e\u5834\u5408\u306f-c:a aac -b:a 192k\u306a\u3069\u306b\u5909\u66f4\u3057\u3066\u518d\u30a8\u30f3\u30b3\u30fc\u30c9\u3057\u307e\u3059\u3002\u97f3\u58f0\u30b3\u30d4\u30fc\u306f\u5143\u304b\u3089\u3042\u308b\u97f3\u30ba\u30ec\u306e\u4fee\u6b63\u3084\u3001\u7de8\u96c6\u30bd\u30d5\u30c8\u3067\u306e\u8aad\u307f\u8fbc\u307f\u6210\u529f\u3092\u4fdd\u8a3c\u3057\u307e\u305b\u3093\u3002<\/p>\n\n\n
2026\u5e749\u670829\u65e5\u306e\u4e0a\u306e6\u79d2\u5165\u529b\u3067\u306f\u3001\u6620\u50cf180\u30b3\u30de\u30fb6.000\u79d2\u306b\u306a\u308a\u307e\u3057\u305f\u300210fps\u3060\u3063\u305f\u524d\u534a\u306f\u540c\u3058\u30b3\u30de\u3092\u7e70\u308a\u8fd4\u3057\u306630fps\u306b\u63c3\u3048\u3066\u3044\u307e\u3059\u3002\u6b21\u306e\u56f3\u306f\u8868\u793a\u6642\u523b\u306e\u8aac\u660e\u56f3\u3067\u3001\u7de8\u96c6\u30bd\u30d5\u30c8\u306e\u64cd\u4f5c\u753b\u9762\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n
\"\u53ef\u5909\u30d5\u30ec\u30fc\u30e0\u30ec\u30fc\u30c8\u306e\u52d5\u753b\u3068\u300130fps\u306e\u56fa\u5b9a\u306b\u76f4\u3057\u305f\u52d5\u753b\u3067\u3001\u30b3\u30de\u304c\u4e26\u3076\u6642\u523b\u3092\u6bd4\u3079\u305f\u56f3\u3002\u5143\u306f\u524d\u534a\u304c10fps\u3067\u5f8c\u534a\u304c30fps\u3001\u76f4\u3057\u305f\u5f8c\u306f\u5168\u4f53\u304c30fps\"<\/figure>\n\n\n
\u65b9\u6cd52\uff1a-fps_mode cfr\u3068-r\u3092\u4f7f\u3046<\/h2>\n\n\n
ffmpeg -n -i "vfr.mp4" -map 0:v:0 -map "0:a:0?" -fps_mode cfr -r 30 -c:v libx264 -crf 18 -pix_fmt yuv420p -c:a copy "cfr_mode30.mp4"<\/code><\/pre><\/div>\n\n\n
\u51fa\u529b\u5074\u306e-r\u3067\u76ee\u6a19\u306efps\u3092\u6307\u5b9a\u3057\u3001-fps_mode cfr\u3067\u56fa\u5b9a\u306b\u3057\u307e\u3059\u3002\u5165\u529b\u3088\u308a\u524d\u306e-r\u306f\u5165\u529b\u306e\u6642\u523b\u306e\u6271\u3044\u3092\u5909\u3048\u308b\u5225\u306e\u6307\u5b9a\u306a\u306e\u3067\u3001\u3053\u306e\u4f8b\u3067\u306f-i\u306e\u5f8c\u306b\u7f6e\u304d\u307e\u3059\u3002\u6620\u50cf\u306e-c copy\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u3001\u540c\u3058\u5909\u63db\u304c\u3067\u304d\u308b\u3068\u306f\u8003\u3048\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n
2026\u5e749\u670829\u65e5\u306e\u65e2\u5b58\u8a18\u9332\u3067\u306f\u3001\u3053\u306e\u65b9\u5f0f\u306e\u51fa\u529b\u304c182\u30b3\u30de\u30fb6.067\u79d2\u3067\u3057\u305f\u3002\u65b9\u6cd51\u306e180\u30b3\u30de\u3068\u306e\u5dee\u306f2\u30b3\u30de\uff08\u7d040.067\u79d2\uff09\u3067\u3059\u3002\u4e00\u65b9\u3001\u4ee5\u4e0b\u306e10\u67083\u65e5\u306e\u5225\u5165\u529b\u3067\u306f\u4e21\u65b9\u5f0f\u3068\u3082180\u30b3\u30de\u30fb6.000\u79d2\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u65b9\u5f0f\u3060\u3051\u3067\u672b\u5c3e\u306e\u9577\u3055\u3092\u4fdd\u8a3c\u305b\u305a\u3001\u5165\u529b\u6642\u523b\u3068\u51fa\u529b\u306e\u7d42\u7aef\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002fps\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u516c\u5f0f\u4ed5\u69d8<\/a>\u306b\u306f\u6642\u523b\u306e\u4e38\u3081\u3068\u7d42\u7aef\u306e\u6271\u3044\u3001FFmpeg\u516c\u5f0f\u30aa\u30d7\u30b7\u30e7\u30f3\u8cc7\u6599<\/a>\u306b\u306f\u51fa\u529b\u6642\u523b\u304c\u30b3\u30f3\u30c6\u30ca\u51e6\u7406\u3067\u5909\u308f\u308b\u5834\u5408\u3082\u8aac\u660e\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n
FFmpeg 9.0.2\u3067\u53e4\u3044\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u78ba\u8a8d\u3059\u308b<\/h2>\n\n\n
\u3053\u306ePC\u306eFFmpeg 9.0.2\uff08gyan.dev full build\uff09\u3067\u306f\u30012026\u5e7410\u67083\u65e5\u306e\u518d\u78ba\u8a8d\u3067\u3082-vsync cfr\u304c\u300cUnrecognized option ‘vsync’\u300d\u3067\u7d42\u4e86\u3057\u307e\u3057\u305f\u3002\u65b0\u3057\u3044\u4f8b\u306f-fps_mode\u3092\u4f7f\u3044\u307e\u3059\u3002\u53e4\u3044\u7248\u3067\u975e\u63a8\u5968\u306a\u304c\u3089\u5b9f\u884c\u3067\u304d\u305f\u8a18\u9332\u3092\u3001\u4eca\u56de\u306e\u7248\u306e\u624b\u9806\u306b\u6df7\u305c\u307e\u305b\u3093\u3002-fps_mode passthrough\u3068-r\u3067\u56fa\u5b9a\u5316\u3092\u540c\u6642\u306b\u6307\u5b9a\u3059\u308b\u3001\u904e\u53bb\u306e\u77db\u76fe\u3057\u305f\u6307\u5b9a\u3082\u907f\u3051\u307e\u3059\u3002<\/p>\n\n\n
\u97f3\u58f0\u3064\u304d\u306e6\u79d2\u30b5\u30f3\u30d7\u30eb\u3067\u5909\u63db\u3092\u6bd4\u8f03\u3057\u305f\u7d50\u679c<\/h2>\n\n\n
\u7df4\u7fd2\u7528\u52d5\u753b\u30fbWAV\u30fb\u30b9\u30af\u30ea\u30d7\u30c8\uff08ZIP\uff09<\/a>\u306evfr-sync.mp4\u3092\u4f7f\u3044\u307e\u3057\u305f\u3002\u81ea\u4f5c\u306e\u6a21\u69d8\u3068\u5408\u6210\u97f3\u306b\u3088\u308b640\u00d7360\u306e6\u79d2\u5165\u529b\u3067\u3001\u524d\u534a3\u79d2\u304c10fps\u3001\u5f8c\u534a3\u79d2\u304c30fps\u3001AAC 48kHz\u30fb\u30e2\u30ce\u30e9\u30eb\u306e\u97f3\u58f0\u3092\u542b\u307f\u307e\u3059\u3002\u64ae\u5f71\u7d20\u6750\u306e\u5b9f\u969b\u306e\u53e3\u306e\u52d5\u304d\u3092\u4f7f\u3063\u305f\u97f3\u30ba\u30ec\u8a66\u9a13\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n
\u5165\u529b\u30fb\u51fa\u529b<\/th>\u6620\u50cf\u30b3\u30de\u6570\uff0f\u9577\u3055<\/th>\u97f3\u58f0\u306e\u9577\u3055<\/th><\/tr><\/thead>
\u5165\u529b vfr-sync.mp4<\/td>120\uff0f6.000\u79d2<\/td>6.000\u79d2<\/td><\/tr>
fps=30\u30fb\u97f3\u58f0\u30b3\u30d4\u30fc<\/td>180\uff0f6.000\u79d2<\/td>6.000\u79d2<\/td><\/tr>
-fps_mode cfr -r 30\u30fb\u97f3\u58f0\u30b3\u30d4\u30fc<\/td>180\uff0f6.000\u79d2<\/td>6.000\u79d2<\/td><\/tr>
HandBrakeCLI –cfr -r 30<\/td>180\uff0f6.000\u79d2<\/td>6.016\u79d2<\/td><\/tr><\/tbody><\/table>
2026\u5e7410\u67083\u65e5\u3001Windows 11 Pro\uff08build 26200\uff09\u30fbRyzen 5 7530U\u30fbRAM\u7d0416GB\u3001FFmpeg 9.0.2\uff0fHandBrakeCLI 1.11.2\u3002HandBrake\u306fFast 1080p30\u304b\u3089fps\u6307\u5b9a\u3092\u5909\u66f4\u3002<\/figcaption><\/figure>\n\n\n
FFmpeg\u306e2\u51fa\u529b\u306f\u7d041\/30\u79d2\u9593\u9694\u3067\u3001\u30c7\u30b3\u30fc\u30c9\u5f8c\u306e\u97f3\u58f0\u306eSHA-256\u306f\u5165\u529b\u3068\u4e00\u81f4\u3057\u3001\u5143\u30d5\u30a1\u30a4\u30eb\u3082\u5909\u308f\u3063\u3066\u3044\u307e\u305b\u3093\u3067\u3057\u305f\u3002HandBrake\u306e\u51fa\u529b\u3082\u30c7\u30b3\u30fc\u30c9\u3067\u304d\u307e\u3057\u305f\u304c\u97f3\u58f0\u306f\u518d\u30a8\u30f3\u30b3\u30fc\u30c9\u3055\u308c\u3001\u7d42\u7aef\u306e\u5831\u544a\u5024\u306f6.016\u79d2\u3067\u3057\u305f\u3002\u3053\u308c\u3089\u306f\u30d5\u30a1\u30a4\u30eb\u3068\u30b3\u30de\u6642\u523b\u306e\u78ba\u8a8d\u3067\u3042\u308a\u3001\u53e3\u306e\u52d5\u304d\u3068\u306e\u540c\u671f\u3084Premiere\u3067\u306e\u5b9f\u64cd\u4f5c\u306e\u6210\u529f\u3092\u793a\u3059\u7d50\u679c\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n
\u7df4\u7fd2\u7528VFR\u3092\u4f5c\u3063\u3066\u5909\u63db\u524d\u5f8c\u3092\u78ba\u304b\u3081\u308b<\/h2>\n\n\n\n
2026\u5e7410\u67082\u65e5\u3001Windows 11\u30fbffmpeg 9.0.2 \u3067\u3001\u6b21\u306e\u5165\u529b\u751f\u6210\u3068\u5909\u63db\u3092\u518d\u5b9f\u884c\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
\u6700\u521d\u306b \u57fa\u672c\u30b3\u30de\u30f3\u30c9\u8a18\u4e8b\u306e\u7df4\u7fd2\u7528\u52d5\u753b<\/a>\u3092\u4f5c\u308a\u3001sample.mp4 \u3092\u3053\u306e\u4f5c\u696d\u30d5\u30a9\u30eb\u30c0\u30fc\u306b\u7f6e\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u4f8b\u306f\u3001\u52d5\u753b\u3068\u51fa\u529b\u5148\u3092\u7f6e\u304f\u4f5c\u696d\u30d5\u30a9\u30eb\u30c0\u30fc\u3067 PowerShell \u3092\u958b\u3044\u3066\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u5143\u52d5\u753b\u306f\u5225\u540d\u3067\u4fdd\u7ba1\u3057\u3001\u51fa\u529b\u30d5\u30a1\u30a4\u30eb\u540d\u304c\u65e2\u5b58\u30d5\u30a1\u30a4\u30eb\u3068\u91cd\u306a\u3089\u306a\u3044\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n
\u540c\u540d\u30d5\u30a1\u30a4\u30eb\u306e\u4e0a\u66f8\u304d\u78ba\u8a8d\u3067\u6b62\u307e\u3063\u305f\u5834\u5408\u306f N \u3092\u5165\u529b\u3057\u3001\u5225\u306e\u51fa\u529b\u540d\u3067\u5b9f\u884c\u3057\u76f4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
ffmpeg -i sample.mp4 -t 6 -vf \"select='if(lt(t,3),not(mod(n,3)),1)'\" -fps_mode vfr -c:v libx264 -an vfr.mp4<\/code><\/pre><\/div>\n\n\n\n
\u524d\u534a3\u79d2\u306f3\u30b3\u30de\u306b1\u30b3\u30de\u3092\u6b8b\u3057\u3001\u5f8c\u534a3\u79d2\u306f\u5168\u30b3\u30de\u3092\u6b8b\u3057\u305f\u3001\u97f3\u58f0\u306e\u306a\u3044\u5165\u529b\u3067\u3059\u3002<\/p>\n\n\n\n
ffmpeg -i vfr.mp4 -vf vfrdet -an -f null -\nffmpeg -i cfr.mp4 -vf vfrdet -an -f null -<\/code><\/pre><\/div>\n\n\n\n
cfr.mp4 \u306f\u4e0a\u306e\u65b9\u6cd51\u3067\u4f5c\u6210\u3057\u3066\u304b\u3089\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u78ba\u8a8d\u9805\u76ee<\/th>\u5909\u63db\u524d vfr.mp4<\/th>\u65b9\u6cd51\u306e\u5909\u63db\u5f8c cfr.mp4<\/th><\/tr><\/thead>
\u30b3\u30de\u6570<\/td>120<\/td>180<\/td><\/tr>
\u9577\u3055<\/td>6.000\u79d2<\/td>6.000\u79d2<\/td><\/tr>
\u96a3\u308a\u5408\u3046\u30b3\u30de\u306e\u6642\u523b\u306e\u5dee<\/td>0.100\u79d2\u00d730\u3001\u7d040.03333\u79d2\u00d789<\/td>\u7d040.03333\u79d2\u00d7179<\/td><\/tr>
vfrdet \u306e\u672b\u5c3e\u30ed\u30b0<\/td>VFR:0.008403 (1\/118)<\/td>VFR:0.000000 (0\/179)<\/td><\/tr><\/tbody><\/table>
2026\u5e7410\u67082\u65e5\u306e\u751f\u6210\u52d5\u753b\u3067\u306e\u5b9f\u6e2c<\/figcaption><\/figure>\n\n\n\n
vfrdet \u306f\u6642\u523b\u306e\u5dee\u306e\u5909\u5316\u3092\u691c\u51fa\u3059\u308b\u88dc\u52a9\u3067\u3059\u3002<\/p>\n\n\n\n
\u5024\u3092\u300c\u53ef\u5909\u306e\u30b3\u30de\u306e\u5272\u5408\u300d\u3068\u8aad\u307f\u66ff\u3048\u305a\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066 ffprobe \u306e\u30b3\u30de\u306e\u6642\u523b\u3092\u4f75\u305b\u3066\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n
\u5c0f\u3055\u306a\u5dee\u306f\u6642\u523b\u306e\u4e38\u3081\u306b\u3088\u308b\u5834\u5408\u3082\u3042\u308b\u305f\u3081\u3001\u4eca\u56de\u306e0.100\u79d2\u30680.03333\u79d2\u306e\u3088\u3046\u306a\u9593\u9694\u306e\u9055\u3044\u3068\u533a\u5225\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u5143\u52d5\u753b\u306e\u97f3\u306e\u305a\u308c\u3084\u6b20\u843d\u304c\u3001\u3053\u306e\u5909\u63db\u3060\u3051\u3067\u76f4\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n
\u97f3\u58f0\u3064\u304d\u7d20\u6750\u3067\u306f\u3001\u5909\u63db\u5f8c\u3092\u7de8\u96c6\u30bd\u30d5\u30c8\u3067\u8aad\u307f\u8fbc\u307f\u3001\u5192\u982d\u3068\u672b\u5c3e\u306e\u97f3\u3068\u6620\u50cf\u306e\u540c\u671f\u3082\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
HandBrake\u3067CFR\u306b\u5909\u63db\u3059\u308b<\/h2>\n\n\n
\u753b\u9762\u7248\u3067\u306fVideo\uff08\u52d5\u753b\uff09\u306eFramerate\u3067\u5fc5\u8981\u306afps\u3092\u9078\u3073\u3001Constant Frame Rate\uff08CFR\uff09\u3092\u9078\u629e\u3057\u307e\u3059\u3002\u300cSame as Source\u300d\u3060\u3051\u3067\u306f\u56fa\u5b9a\u5316\u3092\u6307\u5b9a\u3057\u305f\u3053\u3068\u306b\u306a\u308a\u307e\u305b\u3093\u3002\u64cd\u4f5c\u9805\u76ee\u306fHandBrake\u516c\u5f0f\u306e\u30d5\u30ec\u30fc\u30e0\u30ec\u30fc\u30c8\u8cc7\u6599<\/a>\u306b\u57fa\u3065\u304f\u8aac\u660e\u3067\u3001\u4eca\u56de\u306e\u5b9f\u884c\u306fCLI\u7248\u3067\u3059\u3002<\/p>\n\n\n
HandBrakeCLI -i "vfr.mp4" -o "handbrake_cfr30.mp4" --preset "Fast 1080p30" --cfr -r 30<\/code><\/pre><\/div>\n\n\n
HandBrakeCLI\u306f\u3001\u5165\u529b\u3068\u7570\u306a\u308b\u672a\u4f7f\u7528\u306e\u51fa\u529b\u540d\u3067\u5b9f\u884c\u3057\u307e\u3059\u3002\u65e2\u5b58\u306e\u51fa\u529b\u3092\u4e0a\u66f8\u304d\u305b\u305a\u306b\u6bd4\u8f03\u3059\u308bPowerShell\u306e\u4f8b\u306f\u3001HandBrake\u306e\u4f7f\u3044\u65b9\u30fbRF\u3068\u30d7\u30ea\u30bb\u30c3\u30c8\u306e\u9078\u3073\u65b9<\/a>\u306b\u63b2\u8f09\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n
\u6307\u5b9a<\/th>2026\u5e749\u670829\u65e5\u306e\u65e2\u5b58CLI\u8a18\u9332<\/th><\/tr><\/thead>
–cfr -r 30<\/td>avg_frame_rate 30\/1\u3001180\u30b3\u30de<\/td><\/tr>
–vfr<\/td>avg_frame_rate 800\/41\uff08\u7d0419.51fps\uff09\u3001120\u30b3\u30de<\/td><\/tr><\/tbody><\/table>
HandBrakeCLI 1.11.2\u3002\u4e0a\u306e10\u67083\u65e5\u306e\u97f3\u58f0\u3064\u304d\u5165\u529b\u3068\u306f\u5225\u306e\u6e2c\u5b9a\u8a18\u9332\u3002<\/figcaption><\/figure>\n\n\n
\u5909\u63db\u5f8c\u306b\u7de8\u96c6\u3078\u623b\u3059\u524d\u306e\u78ba\u8a8d<\/h2>\n\n\n
  1. ffprobe\u3067\u6620\u50cf\u30fb\u97f3\u58f0\u306e\u958b\u59cb\u6642\u523b\u3068\u9577\u3055\u3001\u6620\u50cf\u306e\u30b3\u30de\u9593\u9694\u3092\u78ba\u8a8d\u3059\u308b\u3002\u30b3\u30f3\u30c6\u30ca\u5168\u4f53\u306eduration\u3060\u3051\u3067\u540c\u671f\u6210\u529f\u3068\u5224\u5b9a\u3057\u306a\u3044<\/li>
  2. \u51fa\u529b\u3092\u518d\u751f\u3057\u3001\u5192\u982d\u30fb\u4e2d\u9593\u30fb\u672b\u5c3e\u306e\u52d5\u304d\u3001\u5149\u3084\u53e3\u306e\u52d5\u304d\u3068\u97f3\u306e\u4f4d\u7f6e\u3092\u5165\u529b\u3068\u6bd4\u3079\u308b<\/li>
  3. \u7de8\u96c6\u30bd\u30d5\u30c8\u3078\u5225\u7d20\u6750\u3068\u3057\u3066\u8aad\u307f\u8fbc\u307f\u3001\u540c\u3058\u30bf\u30a4\u30e0\u30e9\u30a4\u30f3\u6761\u4ef6\u3067\u78ba\u8a8d\u3059\u308b\u3002\u5fc5\u8981\u306a\u3089\u77ed\u3044\u66f8\u304d\u51fa\u3057\u3067\u3082\u6bd4\u3079\u308b<\/li>
  4. \u5143\u52d5\u753b\u3092\u6b8b\u3059\u3002\u30b3\u30fc\u30c7\u30c3\u30af\u30fb\u8272\u30fb\u8907\u6570\u97f3\u58f0\u30fb\u5b57\u5e55\u306e\u4fdd\u6301\u304c\u5fc5\u8981\u306a\u3089\u9078\u629e\u30b9\u30c8\u30ea\u30fc\u30e0\u3068\u51fa\u529b\u4ed5\u69d8\u3092\u898b\u76f4\u3059<\/li><\/ol>\n\n\n
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