ffmpeg - オーディオ/ビデオ 記録・変換・再生 コマンド

ffmpeg version 6.1.1 Copyright (c) 2000-2023 the FFmpeg developers
  built with gcc 14 (GCC)
  configuration: --prefix=/usr --bindir=/usr/bin --datadir=/usr/share/ffmpeg --docdir=/usr/share/doc/ffmpeg --incdir=/usr/include/ffmpeg --libdir=/usr/lib64 --mandir=/usr/share/man --arch=x86_64 --optflags='-O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer' --extra-ldflags='-Wl,-z,relro -Wl,--as-needed -Wl,-z,pack-relative-relocs -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld-errors -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -Wl,--build-id=sha1 ' --extra-cflags=' -I/usr/include/rav1e' --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libvo-amrwbenc --enable-version3 --enable-bzlib --enable-chromaprint --disable-crystalhd --enable-fontconfig --enable-frei0r --enable-gcrypt --enable-gnutls --enable-ladspa --enable-libaom --enable-libdav1d --enable-libass --enable-libbluray --enable-libbs2b --enable-libcodec2 --enable-libcdio --enable-libdrm --enable-libjack --enable-libjxl --enable-libfreetype --enable-libfribidi --enable-libgsm --enable-libharfbuzz --enable-libilbc --enable-libmp3lame --enable-libmysofa --enable-nvenc --enable-openal --enable-opencl --enable-opengl --enable-libopenh264 --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-libplacebo --enable-librsvg --enable-librav1e --enable-librubberband --enable-libsmbclient --enable-version3 --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libssh --enable-libsvtav1 --enable-libtesseract --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libv4l2 --enable-libvidstab --enable-libvmaf --enable-version3 --enable-vapoursynth --enable-libvpx --enable-vulkan --enable-libshaderc --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxvid --enable-libxml2 --enable-libzimg --enable-libzmq --enable-libzvbi --enable-lv2 --enable-avfilter --enable-libmodplug --enable-postproc --enable-pthreads --disable-static --enable-shared --enable-gpl --disable-debug --disable-stripping --shlibdir=/usr/lib64 --enable-lto --enable-libvpl --enable-runtime-cpudetect
  libavutil      58. 29.100 / 58. 29.100
  libavcodec     60. 31.102 / 60. 31.102
  libavformat    60. 16.100 / 60. 16.100
  libavdevice    60.  3.100 / 60.  3.100
  libavfilter     9. 12.100 /  9. 12.100
  libswscale      7.  5.100 /  7.  5.100
  libswresample   4. 12.100 /  4. 12.100
  libpostproc    57.  3.100 / 57.  3.100
Input #0, matroska,webm, from '/home/tomoyan/ビデオ/スクリーンキャスト/Screencast from 2024-07-31 16-36-02.webm':
  Metadata:
    encoder         : GStreamer matroskamux version 1.22.12
    creation_time   : 2024-07-31T07:36:02.154308Z
  Duration: 00:00:10.00, start: 0.018000, bitrate: 1951 kb/s
  Stream #0:0(eng): Video: vp8, yuv420p(tv, smpte170m, progressive), 950x522, SAR 1:1 DAR 475:261, 1k tbr, 1k tbn (default)
    Metadata:
      title           : Video
File '/home/tomoyan/ビデオ/Screencast from 2024-07-31 16-36-02.mp4' already exists. Overwrite? [y/N] y
Stream mapping:
  Stream #0:0 -> #0:0 (vp8 (native) -> h264 (libx264))
Press [q] to stop, [?] for help
[libx264 @ 0x5611dfb936c0] using SAR=1/1
[libx264 @ 0x5611dfb936c0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
[libx264 @ 0x5611dfb936c0] profile High, level 3.1, 4:2:0, 8-bit
[libx264 @ 0x5611dfb936c0] 264 - core 164 r3108 31e19f9 - H.264/MPEG-4 AVC codec - Copyleft 2003-2023 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
Output #0, mp4, to '/home/tomoyan/ビデオ/Screencast from 2024-07-31 16-36-02.mp4':
  Metadata:
    encoder         : Lavf60.16.100
  Stream #0:0(eng): Video: h264 (avc1 / 0x31637661), yuv420p(tv, bt470bg/smpte170m/smpte170m, progressive), 950x522 [SAR 1:1 DAR 475:261], q=2-31, 30 fps, 15360 tbn (default)
    Metadata:
      title           : Video
      encoder         : Lavc60.31.102 libx264
    Side data:
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A
frame=   47 fps=0.0 q=29.0 size=       0kB time=00:00:01.46 bitrate=   0.3kbits/s dup=34 drop=0 speed=2.89x   frame=   94 fps= 93 q=29.0 size=       0kB time=00:00:03.06 bitrate=   0.1kbits/s dup=36 drop=0 speed=3.04x   frame=  147 fps= 97 q=29.0 size=     256kB time=00:00:04.83 bitrate= 434.0kbits/s dup=37 drop=0 speed= 3.2x   frame=  200 fps= 99 q=29.0 size=     256kB time=00:00:06.60 bitrate= 317.8kbits/s dup=49 drop=1 speed=3.27x   [out#0/mp4 @ 0x5611dfb93dc0] video:688kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.633243%
frame=  300 fps=110 q=-1.0 Lsize=     692kB time=00:00:09.90 bitrate= 572.9kbits/s dup=70 drop=1 speed=3.62x    
[libx264 @ 0x5611dfb936c0] frame I:2     Avg QP:16.72  size: 54018
[libx264 @ 0x5611dfb936c0] frame P:87    Avg QP:20.97  size:  5429
[libx264 @ 0x5611dfb936c0] frame B:211   Avg QP:19.19  size:   585
[libx264 @ 0x5611dfb936c0] consecutive B-frames:  2.7%  8.0%  8.0% 81.3%
[libx264 @ 0x5611dfb936c0] mb I  I16..4: 45.2% 15.8% 39.1%
[libx264 @ 0x5611dfb936c0] mb P  I16..4:  2.7%  1.0%  0.9%  P16..4: 12.4%  2.4%  1.4%  0.0%  0.0%    skip:79.2%
[libx264 @ 0x5611dfb936c0] mb B  I16..4:  0.4%  0.1%  0.1%  B16..8:  9.9%  0.6%  0.1%  direct: 0.2%  skip:88.7%  L0:44.1% L1:54.7% BI: 1.3%
[libx264 @ 0x5611dfb936c0] 8x8 transform intra:18.8% inter:33.4%
[libx264 @ 0x5611dfb936c0] coded y,uvDC,uvAC intra: 19.9% 15.6% 12.4% inter: 1.7% 2.7% 2.3%
[libx264 @ 0x5611dfb936c0] i16 v,h,dc,p: 43% 55%  2%  0%
[libx264 @ 0x5611dfb936c0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 23% 11% 64%  1%  0%  0%  0%  0%  1%
[libx264 @ 0x5611dfb936c0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 29% 37% 19%  2%  2%  2%  3%  2%  3%
[libx264 @ 0x5611dfb936c0] i8c dc,h,v,p: 77% 17%  5%  1%
[libx264 @ 0x5611dfb936c0] Weighted P-Frames: Y:0.0% UV:0.0%
[libx264 @ 0x5611dfb936c0] ref P L0: 69.5%  4.2% 15.6% 10.8%
[libx264 @ 0x5611dfb936c0] ref B L0: 75.2% 18.5%  6.3%
[libx264 @ 0x5611dfb936c0] ref B L1: 95.1%  4.9%
[libx264 @ 0x5611dfb936c0] kb/s:563.02