In virtualdub, 2-pass encoding has to be done in 2 steps. You execute the 1st pass which creates a temp avi file. When its done you manually execute the 2nd pass, which reads off the temp file and ...
In August 2020, the Alliance for Open Media (AOMedia) developed a software working group to “use the Scalable Video Technology for AV1 (SVT-AV1) encoder developed by Intel ... to create AV1 encoder ...