1 files changed, 43 insertions, 12 deletions

diff --git a/src/main.rs b/src/main.rs
index 47bc913..4f6089e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,8 +1,9 @@
+// @TODO: sort presets alphabetically
 extern crate cpal;
 
 use std::io::Write;
 
-//use cpal::traits::{HostTrait, DeviceTrait, StreamTrait};
+use cpal::traits::{HostTrait, DeviceTrait, StreamTrait};
 
 mod midi_input;
 mod soundfont;
@@ -69,33 +70,64 @@ fn playmidi_main() -> Result<(), String> {
 }
 
 fn main() {
-	let _sf = match soundfont::SoundFont::open("/etc/alternatives/default-GM.sf2") {
+	let mut sf = match soundfont::SoundFont::open("/etc/alternatives/default-GM.sf2") {
 		Err(x) => {
 			eprintln!("Error: {}", String::from(x));
 			return;
-		},
+		}
 		Ok(s) => s,
 	};
-	
-	
+
+	 	for i in 0..sf.preset_count() {
+	 		println!("{}. {}", i, sf.preset_name(i).unwrap());
+	 	}
+
 	// 	let result = playmidi_main();
 	// 	if let Err(s) = result {
 	// 		eprintln!("Error: {}", s);
 	// 	}
-	/*
 	let host = cpal::default_host();
 	let device = host.default_output_device().expect("no output device available");
-	let mut supported_configs_range = device.supported_output_configs()
+	let supported_configs = device.supported_output_configs()
 		.expect("error while querying configs");
-	let config = supported_configs_range.next()
-		.expect("no supported config?!")
+	let mut chosen_config = None;
+	for config in supported_configs {
+		if config.channels() != 2 || config.sample_format() != cpal::SampleFormat::I16 {
+			continue;
+		}
+		chosen_config = Some(config);
+	}
+	let chosen_config = match chosen_config {
+		None => {
+			eprintln!("Couldn't configure audio device to have 2 16-bit channels.");
+			return;
+		},
+		Some(x) => x,
+	};
+	let supp_config: cpal::SupportedStreamConfig = chosen_config
 		.with_max_sample_rate()
 		.into();
+	if supp_config.channels() != 2 {
+	}
+	let config = supp_config.into();
+	let mut time = 0.0;
+	let mut key = 60;
 	let stream = device.build_output_stream(
 		&config,
 		move |data: &mut [i16], _: &cpal::OutputCallbackInfo| {
-			for sample in data.iter_mut() {
-				*sample = 0;
+			for x in data.iter_mut() {
+				*x = 0;
+			}
+			let sample_rate = config.sample_rate.0 as f64;
+			match sf.add_samples_interlaced(126, 1.0, key, 60, time, data, sample_rate) {
+				Ok(false) => {println!("stop")},
+				Err(e) => eprintln!("{}", e),
+				_ => {},
+			}
+			time += (data.len() as f64) / (2.0 * sample_rate);
+			if time >= 1.0 {
+				time = 0.0;
+				key += 1;
 			}
 		},
 		move |err| {
@@ -107,5 +139,4 @@ fn main() {
 	loop {
 		std::thread::sleep(std::time::Duration::from_millis(100));
 	}
-	*/
 }