Category: ffmpeg

[root@iZ8vb59gsqaa2gjbi6n8g6Z chapter06]# ffmpeg -h filter=fps ffmpeg version 5.1.2 Copyright (c) 2000-2022 the FFmpeg developers built with gcc 10 (GCC) configuration: –prefix=/usr/local/ffmpeg –enable-shared –disable-static –disable-doc –enable-zlib –enable-libx264 –enable-libx265 –enable-libxavs2 –enable-libdavs2 –enable-libmp3lame –enable-iconv –enable-gpl –enable-nonfree libavutil 57. 28.100 / 57. 28.100 libavcodec 59. 37.100 / 59. 37.100 libavformat 59. 27.100 / 59. 27.100 libavdevice 59. 7.100 /… Continue reading ffmpeg-fps-trim

ffmpeg -i test.mp4 -vf fps=15 ff_fps.mp4 ffmpeg -i test.mp4 -vf setpts=0.5*PTS ff_setpts.mp4

root135@root135:~/Documents$ ffmpeg -formats | grep PCM ffmpeg version 4.4.2-1 Copyright (c) 2000-2021 the FFmpeg developers built with gcc 8 (Uos 8.3.0.3-3+rebuild) configuration: –prefix=/usr –extra-version=1 –toolchain=hardened –libdir=/usr/lib/x86_64-linux-gnu –incdir=/usr/include/x86_64-linux-gnu –arch=amd64 –enable-gpl –disable-stripping –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-librubberband… Continue reading ffmpeg-formats

#1,水平翻转 #-vf filter_graph，用来设置: video filters #hflip 水平翻转 ffmpeg -i input.mp4 -vf “hflip” ff_hflip.mp4 #2,垂直翻转 #vflip: 垂直翻转 ffmpeg -i input.mp4 -vf “vflip” ff_vflip.mp4

ffmpeg version 4.4.2-1 Copyright (c) 2000-2021 the FFmpeg developers built with gcc 8 (Uos 8.3.0.3-3+rebuild) configuration: –prefix=/usr –extra-version=1 –toolchain=hardened –libdir=/usr/lib/x86_64-linux-gnu —