我正在尝试几天来转换.dav文件(由dvrs [image recorder]生成的文件).我尝试了几种变化,ffmpeg但不能成功.
命令和控制台输出:
$ ffmpeg -i input.dav -codec:v libx264 -crf 23 -preset medium -codec:a libfdk_aac -vbr 4 -movflags faststart -vf scale=-1:720,format=yuv420p output.mp4
ffmpeg version 2.8 Copyright (c) 2000-2015 the FFmpeg developers
built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04)
configuration: --extra-libs=-ldl --prefix=/opt/ffmpeg --enable-avresample --disable-debug --enable-nonfree --enable-gpl --enable-version3 --enable-libopencore-amrnb --enable-libopencore-amrwb --disable-decoder=amrnb --disable-decoder=amrwb --enable-libpulse --enable-libdcadec --enable-libfreetype --enable-libx264 --enable-libx265 --enable-libfdk-aac --enable-libvorbis --enable-libmp3lame --enable-libopus --enable-libvpx --enable-libspeex --enable-libass --enable-avisynth --enable-libsoxr --enable-libxvid --enable-libvo-aacenc --enable-libvidstab
libavutil 54. 31.100 / 54. 31.100
libavcodec 56. 60.100 …ffmpeg ×1