h264_qsv H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (Intel Quick Sync Video acceleration) (codec h264) $ ffmpeg -encoders -hide_banner |grep qsv V.D vp9_qsv VP9 video (Intel Quick Sync Video acceleration) (codec vp9) V.D vp8_qsv VP8 video (Intel Quick Sync Video acceleration) (codec vp8) V.D vc1_qsv VC1 video (Intel Quick Sync Video acceleration) (codec vc1) V.D mpeg2_qsv MPEG2VIDEO video (Intel Quick Sync Video acceleration) (codec mpeg2video) V.D mjpeg_qsv MJPEG video (Intel Quick Sync Video acceleration) (codec mjpeg) V.D hevc_qsv HEVC video (Intel Quick Sync Video acceleration) (codec hevc) V.D h264_qsv H264 video (Intel Quick Sync Video acceleration) (codec h264) V.D av1_qsv AV1 video (Intel Quick Sync Video acceleration) (codec av1) Run python3 vsrepo.$ ffmpeg -decoders -hide_banner | grep qsv.Open a command prompt or PowerShell window via Shift + Right click.Open your VapourSynth installation directory.The easiest way is using the included plugin script: If you want to install the L-SMASH or ffms2 plugins and are on Windows, then you have two installation options. VMAF to calculate VMAF scores and to use target quality mode.mkvmerge to use mkvmerge instead of FFmpeg for file concatenation.ffms2 VapourSynth plugin for better chunking.L-SMASH VapourSynth plugin for better chunking (recommended).Package managersĬargo: cargo install av1an Manual installation There are also pre-built Docker images which include all dependencies and are frequently updated.įor Windows users, prebuilt binaries are also included in every release, and a nightly build of the current master branch is also available. InstallationĪv1an can be installed from package managers, cargo.io, or compliled manually. vpxenc, SvtAv1EncApp) from the list above.

If you use a package manager to install encoders, check that the installation includes an executable encoder (e.g.

Note that Av1an requires the executable encoder. Av1an -i input.vpy -v '-cpu-used=3 -end-usage=q -cq-level=30 -threads=8 ' -w 10 -target-quality 95 -a '-c:a libopus -ac 2 -b:a 192k ' -l my_log -o output.mkv Supported encodersĪt least one encoder is required to use Av1an.

Ffmpeg av1 slow