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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /third_party/rust/midir/examples/test_sysex.rs | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/rust/midir/examples/test_sysex.rs')
-rw-r--r-- | third_party/rust/midir/examples/test_sysex.rs | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/third_party/rust/midir/examples/test_sysex.rs b/third_party/rust/midir/examples/test_sysex.rs new file mode 100644 index 0000000000..79149b3c39 --- /dev/null +++ b/third_party/rust/midir/examples/test_sysex.rs @@ -0,0 +1,79 @@ +extern crate midir; + +fn main() { + match example::run() { + Ok(_) => (), + Err(err) => println!("Error: {}", err) + } +} + +#[cfg(not(any(windows, target_arch = "wasm32")))] // virtual ports are not supported on Windows nor on Web MIDI +mod example { + +use std::thread::sleep; +use std::time::Duration; +use std::error::Error; + +use midir::{MidiInput, MidiOutput, Ignore}; +use midir::os::unix::VirtualInput; + +const LARGE_SYSEX_SIZE: usize = 5572; // This is the maximum that worked for me + +pub fn run() -> Result<(), Box<dyn Error>> { + let mut midi_in = MidiInput::new("My Test Input")?; + midi_in.ignore(Ignore::None); + let midi_out = MidiOutput::new("My Test Output")?; + + let previous_count = midi_out.port_count(); + + println!("Creating virtual input port ..."); + let conn_in = midi_in.create_virtual("midir-test", |stamp, message, _| { + println!("{}: {:?} (len = {})", stamp, message, message.len()); + }, ())?; + + assert_eq!(midi_out.port_count(), previous_count + 1); + + let out_ports = midi_out.ports(); + let new_port = out_ports.last().unwrap(); + println!("Connecting to port '{}' ...", midi_out.port_name(&new_port).unwrap()); + let mut conn_out = midi_out.connect(&new_port, "midir-test")?; + println!("Starting to send messages ..."); + //sleep(Duration::from_millis(2000)); + println!("Sending NoteOn message"); + conn_out.send(&[144, 60, 1])?; + sleep(Duration::from_millis(200)); + println!("Sending small SysEx message ..."); + conn_out.send(&[0xF0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xF7])?; + sleep(Duration::from_millis(200)); + println!("Sending large SysEx message ..."); + let mut v = Vec::with_capacity(LARGE_SYSEX_SIZE); + v.push(0xF0u8); + for _ in 1..LARGE_SYSEX_SIZE-1 { + v.push(0u8); + } + v.push(0xF7u8); + assert_eq!(v.len(), LARGE_SYSEX_SIZE); + conn_out.send(&v)?; + sleep(Duration::from_millis(200)); + // FIXME: the following doesn't seem to work with ALSA + println!("Sending large SysEx message (chunked)..."); + for ch in v.chunks(4) { + conn_out.send(ch)?; + } + sleep(Duration::from_millis(200)); + println!("Sending small SysEx message ..."); + conn_out.send(&[0xF0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xF7])?; + sleep(Duration::from_millis(200)); + println!("Closing output ..."); + conn_out.close(); + println!("Closing virtual input ..."); + conn_in.close().0; + Ok(()) +} +} + + // needed to compile successfully +#[cfg(any(windows, target_arch = "wasm32"))] mod example { + use std::error::Error; + pub fn run() -> Result<(), Box<dyn Error>> { Ok(()) } +} |