1 files changed, 65 insertions, 0 deletions
diff --git a/third_party/rust/midir/src/lib.rs b/third_party/rust/midir/src/lib.rs
new file mode 100644
index 0000000000..99d6840c33
--- /dev/null
+++ b/third_party/rust/midir/src/lib.rs
@@ -0,0 +1,65 @@
+extern crate memalloc;
+
+#[cfg(feature = "jack")]
+#[macro_use] extern crate bitflags;
+
+#[repr(u8)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+/// An enum that is used to specify what kind of MIDI messages should
+/// be ignored when receiving messages.
+pub enum Ignore {
+    None = 0x00,
+    Sysex = 0x01,
+    Time = 0x02,
+    SysexAndTime = 0x03,
+    ActiveSense = 0x04,
+    SysexAndActiveSense = 0x05,
+    TimeAndActiveSense = 0x06,
+    All = 0x07
+}
+
+impl std::ops::BitOr for Ignore {
+    type Output = Ignore;
+    #[inline(always)]
+    fn bitor(self, rhs: Self) -> Self::Output {
+        // this is safe because all combinations also exist as variants
+        unsafe { std::mem::transmute(self as u8 | rhs as u8) }
+    }
+}
+
+impl Ignore {
+    #[inline(always)]
+    pub fn contains(self, other: Ignore) -> bool {
+        self as u8 & other as u8 != 0 
+    }
+}
+
+/// A MIDI structure used internally by some backends to store incoming
+/// messages. Each message represents one and only one MIDI message.
+/// The timestamp is represented as the elapsed microseconds since
+/// a point in time that is arbitrary, but does not change for the
+/// lifetime of a given MidiInputConnection.
+#[derive(Debug, Clone)]
+struct MidiMessage {
+    bytes: Vec<u8>,
+    timestamp: u64
+}
+
+impl MidiMessage {
+    fn new() -> MidiMessage {
+        MidiMessage {
+            bytes: vec![],
+            timestamp: 0
+        }
+    }
+}
+
+pub mod os; // include platform-specific behaviour
+
+mod errors;
+pub use errors::*;
+
+mod common;
+pub use common::*;
+
+mod backend;
+\ No newline at end of file