fn gains(
clip: &Clip,
ext: &[Option<(f64, f64, &'_ Transition, bool)>; 2],
tt: f64,
) -> (f32, f32)Expand description
(left, right) gains at absolute time tt: volume × fade in/out × transition crossfade, panned. Clip-local time is clamped into the clip for volume/pan/fades so virtual extensions hold the edge value.