midi to ogg convenience

components/liner/src/lib.rs

@@ -240,12 +240,14 @@ component!(
         "sample_rate",
         {"name": "connect_info", "args": "view", "flavor": "multi"},
         {"name": "disconnect_info", "args": "view", "flavor": "multi"},
+        {"name": "field_helpers", "fields": ["repeat"], "kinds": ["rw"]},
     ],
     {
         queue: Queue,
         lines: Vec<Box<Line>>,
         samples: u32,
         outputs: Vec<Option<View>>,
+        repeat: bool,
     },
     {
         "get_midi": {
@@ -297,6 +299,7 @@ impl ComponentTrait for Component {
         for _ in 0..16 {
             self.lines.push(Box::new(Line::default()));
         }
+        self.repeat = true;
     }
 
     fn connect(&mut self, body: serde_json::Value) -> CmdResult {
@@ -341,7 +344,7 @@ impl ComponentTrait for Component {
                 None,
             );
         }
-        if done {
+        if done && self.repeat {
             self.samples = 0;
             for line in &mut self.lines {
                 line.reset();

systems/soundfont.py

@@ -1,27 +1,41 @@
 import dlal
 
 import argparse
+from pathlib import Path
 
 parser = argparse.ArgumentParser()
-parser.add_argument('--midi-path', '-m')
+parser.add_argument('--midi-path', '-m', type=Path)
+parser.add_argument('--gain', '-g', type=float, default=1.0)
+parser.add_argument('--ogg', action='store_true')
+parser.add_argument('--extra', type=float, default=0.0)
 args = parser.parse_args()
 
 audio = dlal.Audio(driver=True)
 comm = dlal.Comm()
 liner = dlal.Liner()
 soundfont = dlal.Soundfont()
+gain = dlal.Gain(args.gain)
+buf = dlal.Buf()
 tape = dlal.Tape()
 
 for i in range(16):
     liner.connect(soundfont)
 dlal.connect(
     soundfont,
+    [buf, '<+', gain],
     [audio, tape],
 )
 
 duration = None
 if args.midi_path:
     liner.load(args.midi_path, immediate=True)
-    duration = liner.duration()
-
-dlal.typical_setup(duration=duration)
+    liner.repeat(False)
+    duration = liner.duration() + args.extra
+flac_path = args.midi_path.with_suffix('.flac')
+dlal.typical_setup(
+    duration=duration,
+    flac_path=flac_path,
+)
+if args.ogg:
+    sound = dlal.sound.read(flac_path)
+    sound.to_ogg(args.midi_path.with_suffix('.ogg'))