fmod::ffi

Function FMOD_ChannelGroup_SetMixMatrix

Source 
pub unsafe extern "C" fn FMOD_ChannelGroup_SetMixMatrix(
    channelgroup: *mut FMOD_CHANNELGROUP,
    matrix: *mut f32,
    outchannels: i32,
    inchannels: i32,
    inchannel_hop: i32,
) -> FMOD_RESULT