AudioMixStager typedef
AudioMixStager =
Future<AudioMixLanes> Function({required MediaResolver resolver, required Directory sandbox})
Stages the pre-resolved audio into the render sandbox and returns its
encoder lanes. Injected so rendering stays independent
of the audio feature layer: the shell wires the audio layer's
stageAudioMix, tests pass a fake.
Implementation
typedef AudioMixStager =
Future<AudioMixLanes> Function({required MediaResolver resolver, required Directory sandbox});