Constant AV_APP_TO_DEV_SET_VOLUME

pub const AV_APP_TO_DEV_SET_VOLUME: u32 = 1398165324; // 1_398_165_324u32

Volume control message.

Set volume level. It may be device-dependent if volume is changed per stream or system wide. Per stream volume change is expected when possible.

data: double: new volume with range of 0.0 - 1.0.