tek/src/jack/device.rs

use super::*;

/// A Device bound to a JACK client and a set of ports.
pub struct JackDevice {
    /// The active JACK client of this device.
    pub client: DynamicAsyncClient,
    /// The device state, encapsulated for sharing between threads.
    pub state:  Arc<RwLock<Box<dyn Device>>>,
    /// Unowned copies of the device's JACK ports, for connecting to the device.
    /// The "real" readable/writable `Port`s are owned by the `state`.
    pub ports:  UnownedJackPorts,
}
render!(JackDevice |self, buf, area| {
    self.state.read().unwrap().render(buf, area)
});
ports!(JackDevice {
    audio: {
        ins:  |s|Ok(s.ports.audio_ins.values().collect()),
        outs: |s|Ok(s.ports.audio_outs.values().collect()),
    }
    midi: {
        ins:  |s|Ok(s.ports.midi_ins.values().collect()),
        outs: |s|Ok(s.ports.midi_outs.values().collect()),
    }
});
impl JackDevice {
    /// Returns a locked mutex of the state's contents.
    pub fn state (&self) -> LockResult<RwLockReadGuard<Box<dyn Device>>> {
        self.state.read()
    }
    /// Returns a locked mutex of the state's contents.
    pub fn state_mut (&self) -> LockResult<RwLockWriteGuard<Box<dyn Device>>> {
        self.state.write()
    }
    pub fn connect_midi_in (&self, index: usize, port: &Port<Unowned>) -> Usually<()> {
        Ok(self.client.as_client().connect_ports(port, self.midi_ins()?[index])?)
    }
    pub fn connect_midi_out (&self, index: usize, port: &Port<Unowned>) -> Usually<()> {
        Ok(self.client.as_client().connect_ports(self.midi_outs()?[index], port)?)
    }
    pub fn connect_audio_in (&self, index: usize, port: &Port<Unowned>) -> Usually<()> {
        Ok(self.client.as_client().connect_ports(port, self.audio_ins()?[index])?)
    }
    pub fn connect_audio_out (&self, index: usize, port: &Port<Unowned>) -> Usually<()> {
        Ok(self.client.as_client().connect_ports(self.audio_outs()?[index], port)?)
    }
}