Preset with VP9 in MP4 container · Issue #3478 · HandBrake/HandBrake · GitHub
javascript - Convert video codecs to vp9 to mp4? - Stack Overflow
The WebM Project | VP Codec ISO Media File Format Binding
VP9 Vs. H.264: Which Video Codec Should You Use?
Membrane on X: "Membrane development highlight: MP4 support in Membrane is in its final stage of development! 👉it will make possible to record WebRTC sessions to MP4 with H264+AAC. 👉WebM support coming
Automatic Video Transcoding
H.265圧縮MP4とVP9圧縮WebM動画の比較 (Xsrv)
javascript - Convert video codecs to vp9 to mp4? - Stack Overflow