Unknown Encoder libx264

[Travsmakoy]

Unknown encoder 'libx264'
ffmpeg version 4.0 Copyright (c) 2000-2018 the FFmpeg developers
built with gcc 7.2.0 (crosstool-NG fa8859cb)
configuration: --prefix=/home/mark/anaconda3 --cc=/opt/conda/conda-bld/ffmpeg_1531088893642/_build_env/bin/x86_64-conda_cos6-linux-gnu-cc --disable-doc --enable-shared --enable-static --enable-zlib --enable-pic --enable-gpl --enable-version3 --disable-nonfree --enable-hardcoded-tables --enable-avresample --enable-libfreetype --disable-openssl --disable-gnutls --enable-libvpx --enable-pthreads --enable-libopus --enable-postproc --disable-libx264

[RNubla]

@Travsmakoy You should try this for your conda environment. conda install x264=='1!152.20180717' ffmpeg=4.0.2 -c conda-forge

[ChocoWu]

I try to re-install ffmpeg via conda install -c conda-forge ffmpeg, which solved my problem. Note that the channel configuration cannot be missed.