Download patch
ref: 1cf04fdaabf1dbfb7fb4ce59a8cd41a2336d8f18 parent: 86451640fa84b12366ad3f077635354c1b232535 author: qwx <qwx@sciops.net> date: Mon Sep 4 21:19:15 EDT 2023
add mix: decode audio file on the fly and mix in with stdin