{"id":3992,"date":"2024-04-11T14:46:09","date_gmt":"2024-04-11T05:46:09","guid":{"rendered":"https:\/\/www.ish.org\/blog\/?p=3992"},"modified":"2024-04-14T11:00:23","modified_gmt":"2024-04-14T02:00:23","slug":"mp4%e3%81%ae%e5%8b%95%e7%94%bb%e3%82%92bd%e3%83%ac%e3%82%b3%e3%83%bc%e3%83%80%e3%83%bc%e3%81%a7%e5%86%8d%e7%94%9f%e3%81%99%e3%82%8b","status":"publish","type":"post","link":"https:\/\/www.ish.org\/blog\/?p=3992","title":{"rendered":"mp4\u306e\u52d5\u753b\u3092BD\u30ec\u30b3\u30fc\u30c0\u30fc\u3067\u518d\u751f\u3059\u308b\uff08\u305d\u306e1:ffmpeg\uff09"},"content":{"rendered":"

mp4\u306e\u52d5\u753b\u3092diga\u3067\u898b\u308c\u308b\u3088\u3046\u306bBD\u306b\u713c\u3044\u3066\u307f\u305f\u306e\u3067\u3059\u304c\u3001\u306a\u304b\u306a\u304b\u65e8\u304f\u3044\u304d\u307e\u305b\u3093\u3002
\nffmpeg\u3067mp4(h.264\u306e\u52d5\u753b\u3068aac\u306e\u97f3\u58f0)\u304b\u3089m2ts\u3078\u5909\u63db\u3059\u308b\u3068\u3001\u4f55\u6545\u304b\u97f3\u58f0\u304c<\/p>\n

% ffprobe -hide_banner test.mp4\r\nInput #0, mpegts, from 'test.mp4'\r\n  Duration: XX:XX:XX.XX, start: 1.483333, bitrate: 2132 kb\/s\r\n  Program 1 \r\n    Metadata:\r\n      service_name    : Service01\r\n      service_provider: FFmpeg\r\n  Stream #0:0[0x1011]: Video: h264 (High) ([27][0][0][0] \/ 0x001B), yuv420p(tv, bt709, progressive), 1280x720 [SAR 1:1 DAR 16:9], 23.98 fps, 23.98 tbr, 90k tbn\r\n  Stream #0:1[0x1100](und): Audio: aac (LC) ([6][0][0][0] \/ 0x0006), 44100 Hz, stereo, fltp, 264 kb\/s<\/pre>\n
\u3068(und)\u306b\u306a\u3063\u3066\u3057\u307e\u3044diga\u304b\u3089\u97f3\u304c\u51fa\u306a\u3044\u3002\u4e00\u65e6\u3001\u6620\u50cf\u3060\u3051\u306e\u30d5\u30a1\u30a4\u30eb\u3068\u97f3\u58f0\u3060\u3051\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u5206\u3051\u3066\u3001\u305d\u308c\u3089\u3092ffmpeg\u3067\u5408\u6210\u3059\u308c\u3070(und)\u306b\u306f\u306a\u3089\u305a\u3061\u3083\u3093\u3068\u97f3\u306f\u51fa\u307e\u3059\u304c\u300130\u5206\u7a0b\u5ea6\u306e\u52d5\u753b\u3067\u3082\u6700\u5f8c\u306e\u307b\u3046\u3067\u306f\u97f3\u58f0\u304c\u6570\u79d2\u305a\u308c\u3066\u3057\u307e\u3046\u306e\u3067\u3001\u5206\u96e2\u305b\u305a\u306b\u4f55\u3068\u304b\u3067\u304d\u306a\u3044\u3082\u306e\u304b\u3002(und)\u306e\u3082\u306e\u306fPMT\u3092\u898b\u3066\u307f\u308b\u3068\u3001<\/p>\n
00000180  37 99 16 6d 47 41 00 10  00 02 b0 29 00 01 c1 00  |7..mGA.....)....|\r\n                                     |\u3053\u3053\u304b\u3089CRC\u307e\u3067 PMT\r\n00000190  00 f0 11 f0 0c 05 04 48  44 4d 56 88 04 0f ff fc  |.......HDMV.....|\r\n           PCR_PID(1011) <------program information------- \r\n000001a0  fc 1b f0 11 f0 00 06 f1  00 f0 06 0a 04 75 6e 64  |.............und|\r\n          -> <-1b(H.264)--> <---------06(\u5b57\u5e55)------------\r\n000001b0  00 aa 98 7c cc ff ff ff  ff ff ff ff ff ff ff ff  |...|............|\r\n          -> <---CRC---><\/pre>\n
\u3068\u3044\u3046\u3053\u3068\u3067\u3001stream ID\u304c1b(H.264)\u300106(\u5b57\u5e55)\u3057\u304b\u306a\u304f\u30010f(mpeg2 aac\u97f3\u58f0)\u304c\u5b58\u5728\u3057\u306a\u3044\u3002ffmpeg\u306b\u3044\u308d\u3044\u308d\u5f15\u6570\u3092\u8ffd\u52a0\u3057\u3066\u3082\u3046\u307e\u304f\u884c\u304b\u306a\u3044\u306e\u3067\u9762\u5012\u306b\u306a\u3063\u3066perl\u3067\u7c21\u5358\u306a\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u66f8\u3044\u3066\u7121\u7406\u3084\u308aPMT\u304b\u308906(\u5b57\u5e55)\u3092\u524a\u9664\u3057\u30660f(\u97f3\u58f0)\u3092\u8ffd\u52a0\u3057\u305f\u3089ffprobe\u306e\u8868\u793a\u304b\u3089\u3082(und)\u304c\u6d88\u3048\u3066\u7121\u4e8b\u97f3\u305a\u308c\u305b\u305a\u306b\u9cf4\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n
\u66f8\u304d\u63db\u3048\u5f8c\u306ePMT\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n
\r\n00000180  37 99 16 6d 47 41 00 10  00 02 b0 2c 00 01 c1 00  |7..mGA.....,....|\r\n                                            ^^section\u9577\u3092\u4fee\u6b63(0x29->0x2c)\r\n00000190  00 f0 11 f0 0c 05 04 48  44 4d 56 88 04 0f ff fc  |.......HDMV.....|\r\n000001a0  fc 1b f0 11 f0 00 0f f1  00 f0 09 88 04 0f ff fd  |................|\r\n                            <------0f(mpeg2 AAC \u97f3\u58f0)-----\r\n000001b0  fc 52 01 10 1d 13 2b ae  ff ff ff ff ff ff ff ff  |.R....+.........|\r\n          ----------> <---CRC---><\/pre>\n
\u305d\u306e2<\/a>\u3078\u7d9a\u304f<\/p>\n","protected":false},"excerpt":{"rendered":"
mp4\u306e\u52d5\u753b\u3092diga\u3067\u898b\u308c\u308b\u3088\u3046\u306bBD\u306b\u713c\u3044\u3066\u307f\u305f\u306e\u3067\u3059\u304c\u3001\u306a\u304b\u306a\u304b\u65e8\u304f\u3044\u304d\u307e\u305b\u3093\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[],"class_list":["post-3992","post","type-post","status-publish","format-standard","hentry","category-audiovisual"],"_links":{"self":[{"href":"https:\/\/www.ish.org\/blog\/index.php?rest_route=\/wp\/v2\/posts\/3992","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ish.org\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ish.org\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ish.org\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ish.org\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3992"}],"version-history":[{"count":15,"href":"https:\/\/www.ish.org\/blog\/index.php?rest_route=\/wp\/v2\/posts\/3992\/revisions"}],"predecessor-version":[{"id":4011,"href":"https:\/\/www.ish.org\/blog\/index.php?rest_route=\/wp\/v2\/posts\/3992\/revisions\/4011"}],"wp:attachment":[{"href":"https:\/\/www.ish.org\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3992"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ish.org\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3992"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ish.org\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3992"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}