{"id":2376,"date":"2021-11-16T12:20:16","date_gmt":"2021-11-16T03:20:16","guid":{"rendered":"https:\/\/sirius10.net\/blog\/wordpress\/?p=2376"},"modified":"2021-11-16T12:20:20","modified_gmt":"2021-11-16T03:20:20","slug":"post-2376","status":"publish","type":"post","link":"https:\/\/sirius10.net\/blog\/wordpress\/index.php\/2021\/11\/16\/2376\/","title":{"rendered":"m4a \u3092\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u3067\u518d\u751f\u3059\u308b"},"content":{"rendered":"\n<p>\u3000SDL2 \u3067\u30e9\u30b8\u30aa\u6642\u8a08\u3092\u4f5c\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u3053\u308c\u306b\u3001\u7c21\u5358\u306a\u97f3\u697d\u30d7\u30ec\u30fc\u30e4\u30fc\u6a5f\u80fd\u3092\u8ffd\u52a0\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sirius10.net\/blog\/wordpress\/wp-content\/uploads\/2021\/11\/clock2.png\" alt=\"\" class=\"wp-image-2377\" width=\"552\" height=\"352\" srcset=\"https:\/\/sirius10.net\/blog\/wordpress\/wp-content\/uploads\/2021\/11\/clock2.png 804w, https:\/\/sirius10.net\/blog\/wordpress\/wp-content\/uploads\/2021\/11\/clock2-300x191.png 300w, https:\/\/sirius10.net\/blog\/wordpress\/wp-content\/uploads\/2021\/11\/clock2-768x489.png 768w\" sizes=\"auto, (max-width: 552px) 100vw, 552px\" \/><figcaption>\u30d7\u30ec\u30fc\u30e4\u30fc\u753b\u9762<\/figcaption><\/figure><\/div>\n\n\n\n<p>\u3000mp3 \u306f\u3001SDL2 \u306e\u5185\u8535\u30d7\u30ec\u30fc\u30e4\u30fc\u3067\u518d\u751f\u3067\u304d\u307e\u3059\u304c\u3001\u624b\u6301\u3061\u306e\u97f3\u697d\u30d5\u30a1\u30a4\u30eb\u306e\u4e2d\u306b\u306f\u3001m4a \u5f62\u5f0f\u306e\u30d5\u30a1\u30a4\u30eb\u3082\u3042\u308a\u307e\u3059\u3002\u305d\u3053\u3067\u3001\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u3067\u518d\u751f\u3067\u304d\u308b\u5916\u90e8\u30d7\u30ec\u30fc\u30e4\u3092\u63a2\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">faad<\/h2>\n\n\n\n<p>\u3000faad \u306f RaspberryPi OS \u306b\u3082\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u3042\u308a\u307e\u3059\u3002\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u624b\u6301\u3061\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u518d\u751f\u3055\u305b\u3088\u3046\u3068\u3082\u3044\u307e\u3057\u305f\u304c\u3001\u30a8\u30e9\u30fc\u3068\u306a\u308a\u518d\u751f\u3067\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted console\">$ sudo apt install faad\n\u30fb\n\u30fb\n$ faad test.m4a\n *********** Ahead Software MPEG-4 AAC Decoder V2.10.0 ******************\n\n Build: 2020-10-20\n Copyright 2002-2004: Ahead Software AG\n http:\/\/www.audiocoding.com\n bug tracking: https:\/\/sourceforge.net\/p\/faac\/bugs\/\n Floating point version\n\n This program is free software; you can redistribute it and\/or modify\n it under the terms of the GNU General Public License.\n\n **************************************************************************\n\n**** MP4 header ****\nBrand:\t\t\tM4A (version 512)\nCompatible brands:\tisomiso2\n*track media type: 'soun': OK\nparse:-1\nError opening file: test.m4a<\/pre>\n\n\n\n<p>\u3000faad \u306f\u666e\u6bb5\u4f7f\u308f\u306a\u3044\u306e\u3067\u3088\u304f\u308f\u304b\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ffplay<\/h2>\n\n\n\n<p>\u3000ffpray \u306f\u591a\u304f\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3001\u97f3\u3068\u6620\u50cf\u306e\u4e21\u65b9\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u306e\u3067\u30b5\u30a4\u30ba\u306f\u5927\u304d\u3044\u3067\u3059\u3002\u307e\u3042\u3001\u3053\u306e\u969b\u3001\u4f7f\u3048\u308b\u304b\u3069\u3046\u304b\u8a66\u3057\u3066\u307f\u307e\u3057\u305f\u3002ffmpeg \u306b\u306f\u7d50\u69cb\u304a\u4e16\u8a71\u306b\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u3001ffplay \u3082\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u6e08\u307f\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted console\">$ ffplay test.m4a\nffplay version 4.3.3-0+rpt1+deb11u1 Copyright (c) 2003-2021 the FFmpeg developers\n  built with gcc 10 (Raspbian 10.2.1-6+rpi1)\n  configuration: --prefix=\/usr --extra-version=0+rpt1+deb11u1 --toolchain=hardened --incdir=\/usr\/include\/arm-linux-gnueabihf --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libdav1d --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librabbitmq --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2 --enable-mmal --enable-neon --enable-rpi --enable-v4l2-request --enable-libudev --enable-libdrm --enable-epoxy --enable-pocketsphinx --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared --libdir=\/usr\/lib\/arm-linux-gnueabihf --cpu=arm1176jzf-s --arch=arm\n  WARNING: library configuration mismatch\n  avutil      configuration: --prefix=\/usr --extra-version=0+rpt1+deb11u1 --toolchain=hardened --incdir=\/usr\/include\/arm-linux-gnueabihf --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libdav1d --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librabbitmq --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2 --enable-mmal --enable-neon --enable-rpi --enable-v4l2-request --enable-libudev --enable-libdrm --enable-epoxy --enable-pocketsphinx --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --libdir=\/usr\/lib\/arm-linux-gnueabihf\/neon\/vfp --cpu=cortex-a7 --arch=armv6t2 --disable-thumb --enable-shared --disable-doc --disable-programs\n  avcodec     configuration: --prefix=\/usr --extra-version=0+rpt1+deb11u1 --toolchain=hardened --incdir=\/usr\/include\/arm-linux-gnueabihf --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libdav1d --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librabbitmq --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2 --enable-mmal --enable-neon --enable-rpi --enable-v4l2-request --enable-libudev --enable-libdrm --enable-epoxy --enable-pocketsphinx --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --libdir=\/usr\/lib\/arm-linux-gnueabihf\/neon\/vfp --cpu=cortex-a7 --arch=armv6t2 --disable-thumb --enable-shared --disable-doc --disable-programs\n  avformat    configuration: --prefix=\/usr --extra-version=0+rpt1+deb11u1 --toolchain=hardened --incdir=\/usr\/include\/arm-linux-gnueabihf --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libdav1d --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librabbitmq --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2 --enable-mmal --enable-neon --enable-rpi --enable-v4l2-request --enable-libudev --enable-libdrm --enable-epoxy --enable-pocketsphinx --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --libdir=\/usr\/lib\/arm-linux-gnueabihf\/neon\/vfp --cpu=cortex-a7 --arch=armv6t2 --disable-thumb --enable-shared --disable-doc --disable-programs\n  avdevice    configuration: --prefix=\/usr --extra-version=0+rpt1+deb11u1 --toolchain=hardened --incdir=\/usr\/include\/arm-linux-gnueabihf --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libdav1d --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librabbitmq --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2 --enable-mmal --enable-neon --enable-rpi --enable-v4l2-request --enable-libudev --enable-libdrm --enable-epoxy --enable-pocketsphinx --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --libdir=\/usr\/lib\/arm-linux-gnueabihf\/neon\/vfp --cpu=cortex-a7 --arch=armv6t2 --disable-thumb --enable-shared --disable-doc --disable-programs\n  avfilter    configuration: --prefix=\/usr --extra-version=0+rpt1+deb11u1 --toolchain=hardened --incdir=\/usr\/include\/arm-linux-gnueabihf --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libdav1d --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librabbitmq --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2 --enable-mmal --enable-neon --enable-rpi --enable-v4l2-request --enable-libudev --enable-libdrm --enable-epoxy --enable-pocketsphinx --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --libdir=\/usr\/lib\/arm-linux-gnueabihf\/neon\/vfp --cpu=cortex-a7 --arch=armv6t2 --disable-thumb --enable-shared --disable-doc --disable-programs\n  avresample  configuration: --prefix=\/usr --extra-version=0+rpt1+deb11u1 --toolchain=hardened --incdir=\/usr\/include\/arm-linux-gnueabihf --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libdav1d --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librabbitmq --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2 --enable-mmal --enable-neon --enable-rpi --enable-v4l2-request --enable-libudev --enable-libdrm --enable-epoxy --enable-pocketsphinx --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --libdir=\/usr\/lib\/arm-linux-gnueabihf\/neon\/vfp --cpu=cortex-a7 --arch=armv6t2 --disable-thumb --enable-shared --disable-doc --disable-programs\n  swscale     configuration: --prefix=\/usr --extra-version=0+rpt1+deb11u1 --toolchain=hardened --incdir=\/usr\/include\/arm-linux-gnueabihf --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libdav1d --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librabbitmq --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2 --enable-mmal --enable-neon --enable-rpi --enable-v4l2-request --enable-libudev --enable-libdrm --enable-epoxy --enable-pocketsphinx --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --libdir=\/usr\/lib\/arm-linux-gnueabihf\/neon\/vfp --cpu=cortex-a7 --arch=armv6t2 --disable-thumb --enable-shared --disable-doc --disable-programs\n  swresample  configuration: --prefix=\/usr --extra-version=0+rpt1+deb11u1 --toolchain=hardened --incdir=\/usr\/include\/arm-linux-gnueabihf --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libdav1d --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librabbitmq --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2 --enable-mmal --enable-neon --enable-rpi --enable-v4l2-request --enable-libudev --enable-libdrm --enable-epoxy --enable-pocketsphinx --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --libdir=\/usr\/lib\/arm-linux-gnueabihf\/neon\/vfp --cpu=cortex-a7 --arch=armv6t2 --disable-thumb --enable-shared --disable-doc --disable-programs\n  postproc    configuration: --prefix=\/usr --extra-version=0+rpt1+deb11u1 --toolchain=hardened --incdir=\/usr\/include\/arm-linux-gnueabihf --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libdav1d --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librabbitmq --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2 --enable-mmal --enable-neon --enable-rpi --enable-v4l2-request --enable-libudev --enable-libdrm --enable-epoxy --enable-pocketsphinx --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --libdir=\/usr\/lib\/arm-linux-gnueabihf\/neon\/vfp --cpu=cortex-a7 --arch=armv6t2 --disable-thumb --enable-shared --disable-doc --disable-programs\n  libavutil      56. 51.100 \/ 56. 51.100\n  libavcodec     58. 91.100 \/ 58. 91.100\n  libavformat    58. 45.100 \/ 58. 45.100\n  libavdevice    58. 10.100 \/ 58. 10.100\n  libavfilter     7. 85.100 \/  7. 85.100\n  libavresample   4.  0.  0 \/  4.  0.  0\n  libswscale      5.  7.100 \/  5.  7.100\n  libswresample   3.  7.100 \/  3.  7.100\n  libpostproc    55.  7.100 \/ 55.  7.100\nInput #0, mov,mp4,m4a,3gp,3g2,mj2, from 'test.m4a':q=    0B f=0\/0   \n  Metadata:\n    major_brand     : M4A \n    minor_version   : 512\n    compatible_brands: isomiso2\n    artist          : \n    date            : \n    title           : \n    encoder         : Lavf56.1.0\n  Duration: 00:05:00.12, start: 0.000000, bitrate: 48 kb\/s\n    Stream #0:0(und): Audio: aac (HE-AAC) (mp4a \/ 0x6134706D), 48000 Hz, stereo, fltp, 47 kb\/s (default)\n    Metadata:\n      handler_name    : SoundHandler\n   5.06 M-A:  0.000 fd=   0 aq=    8KB vq=    0KB sq=    0B f=0\/0   <\/pre>\n\n\n\n<p>\u3000\u3042\u301c\u3001ffmpeg \u3068\u540c\u69d8\u306b\u5927\u91cf\u306a\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u51fa\u3059\u306e\u306d\u3002\u307e\u305f\u3001\u30b0\u30e9\u30d5\u30a3\u30ab\u30eb\u306a\u30a6\u30a3\u30f3\u30c9\u30a6\u3082\u8868\u793a\u3055\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u518d\u751f\u3060\u3051\u3057\u3066\u307b\u3057\u3044\u3093\u3067\u3059\u304c\u3001\u8272\u3005\u90aa\u9b54\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30a6\u30a3\u30f3\u30c9\u30a6\u3092\u8868\u793a\u3055\u305b\u306a\u3044<\/h3>\n\n\n\n<p>\u3000help \u3092\u8abf\u3079\u3066\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u63a2\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u30b0\u30e9\u30d5\u30a3\u30ab\u30eb\u306a\u30a6\u30a3\u30f3\u30c9\u30a6\u3092\u975e\u8868\u793a\u306b\u3059\u308b\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u3001-nodisp \u3067\u3057\u305f\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted console\">$ ffplay -nodisp test.m4a\n\u30fb\n\u30fb<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8868\u793a\u3057\u306a\u3044<\/h3>\n\n\n\n<p> \u30e1\u30fc\u30c3\u30bb\u30fc\u30b8\u306f\u30ed\u30b0\u30ec\u30d9\u30eb\u3067\u8abf\u6574\u3059\u308b\u3088\u3046\u3067\u3059\u3002-loglevel quiet \u3067\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u5168\u304f\u8868\u793a\u3057\u306a\u3044\u3088\u3046\u306b\u51fa\u6765\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted console\">$ ffplay -nodisp -loglevel quiet<\/pre>\n\n\n\n<p>\u3000\u5927\u4e08\u592b\u305d\u3046\u3067\u3059\u3002\u518d\u751f\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u3042\u308c\u3063\uff1f\u518d\u751f\u304c\u7d42\u308f\u3063\u3066\u3082\u623b\u3063\u3066\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u518d\u751f\u5f8c\u306b\u7d42\u4e86\u3059\u308b<\/h3>\n\n\n\n<p>\u3000help \u3092\u3088\u304f\u898b\u308b\u3068\u3001\u7d42\u4e86\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u3042\u308a\u307e\u3057\u305f\u3002-autoexit\u3001-exitonkeydown\u3001-exitonmousedown \u3069\u308c\u304b\u3092\u6307\u5b9a\u3057\u306a\u3044\u3068\u7d42\u4e86\u3057\u306a\u3044\u3088\u3046\u3067\u3059\u3002\u3053\u3053\u306f\u81ea\u52d5\u3067\u7d42\u4e86\u3057\u3066\u307b\u3057\u3044\u306e\u3067 -autoexit \u3067\u3059\u3088\u306d\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted console\">$ ffplay -nodisp -loglevel quiet -autoexit<\/pre>\n\n\n\n<p>\u3053\u308c\u3067\u518d\u751f\u7d42\u4e86\u6642\u306b\u623b\u3063\u3066\u304f\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u4f7f\u3048\u305d\u3046\u3067\u3059\u3002\u591a\u69d8\u306a\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u4fbf\u5229\u3067\u3059\u306d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3000SDL2 \u3067\u30e9\u30b8\u30aa\u6642\u8a08\u3092\u4f5c\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u3053\u308c\u306b\u3001\u7c21\u5358\u306a\u97f3\u697d\u30d7\u30ec\u30fc\u30e4\u30fc\u6a5f\u80fd\u3092\u8ffd\u52a0\u3057\u307e\u3057\u305f\u3002 \u3000mp3 \u306f\u3001SDL2 \u306e\u5185\u8535\u30d7\u30ec\u30fc\u30e4\u30fc\u3067\u518d\u751f\u3067\u304d\u307e\u3059\u304c\u3001\u624b\u6301\u3061\u306e\u97f3\u697d\u30d5\u30a1\u30a4\u30eb\u306e\u4e2d\u306b\u306f\u3001m4a \u5f62\u5f0f\u306e\u30d5\u30a1\u30a4\u30eb\u3082\u3042\u308a\u307e\u3059\u3002\u305d\u3053\u3067 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[],"class_list":["post-2376","post","type-post","status-publish","format-standard","hentry","category-memo"],"_links":{"self":[{"href":"https:\/\/sirius10.net\/blog\/wordpress\/index.php\/wp-json\/wp\/v2\/posts\/2376","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sirius10.net\/blog\/wordpress\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sirius10.net\/blog\/wordpress\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sirius10.net\/blog\/wordpress\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sirius10.net\/blog\/wordpress\/index.php\/wp-json\/wp\/v2\/comments?post=2376"}],"version-history":[{"count":4,"href":"https:\/\/sirius10.net\/blog\/wordpress\/index.php\/wp-json\/wp\/v2\/posts\/2376\/revisions"}],"predecessor-version":[{"id":2381,"href":"https:\/\/sirius10.net\/blog\/wordpress\/index.php\/wp-json\/wp\/v2\/posts\/2376\/revisions\/2381"}],"wp:attachment":[{"href":"https:\/\/sirius10.net\/blog\/wordpress\/index.php\/wp-json\/wp\/v2\/media?parent=2376"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sirius10.net\/blog\/wordpress\/index.php\/wp-json\/wp\/v2\/categories?post=2376"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sirius10.net\/blog\/wordpress\/index.php\/wp-json\/wp\/v2\/tags?post=2376"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}