Add lyrics support

1 files changed, 23 insertions, 0 deletions

diff --git a/src/audio.rs b/src/audio.rs
index 6da47c3..f8eba04 100644
--- a/src/audio.rs
+++ b/src/audio.rs
@@ -122,6 +122,7 @@ pub struct AudioEngine {
     pub current_track: Arc<Mutex<Option<std::path::PathBuf>>>,
     track_ended: Arc<AtomicBool>,
     volume: Arc<Mutex<f32>>,
+    position: Arc<Mutex<f64>>,
 }
 
 #[allow(clippy::new_without_default)]
@@ -138,6 +139,9 @@ impl AudioEngine {
         let volume = Arc::new(Mutex::new(1.0f32));
         let volume_clone = Arc::clone(&volume);
 
+        let position = Arc::new(Mutex::new(0.0));
+        let position_clone = Arc::clone(&position);
+
         thread::spawn(move || {
             audio_thread(
                 rx,
@@ -145,6 +149,7 @@ impl AudioEngine {
                 current_track_clone,
                 volume_clone,
                 track_ended_clone,
+                position_clone,
             );
         });
 
@@ -154,6 +159,7 @@ impl AudioEngine {
             current_track,
             track_ended,
             volume,
+            position,
         }
     }
 
@@ -199,6 +205,10 @@ impl AudioEngine {
     pub fn poll_track_ended(&self) -> bool {
         self.track_ended.swap(false, Ordering::SeqCst)
     }
+
+    pub fn position(&self) -> f64 {
+        self.position.lock().map(|p| *p).unwrap_or(0.0)
+    }
 }
 
 struct AudioData {
@@ -245,6 +255,7 @@ fn audio_thread(
     current_track: Arc<Mutex<Option<std::path::PathBuf>>>,
     volume: Arc<Mutex<f32>>,
     track_ended: Arc<AtomicBool>,
+    position: Arc<Mutex<f64>>,
 ) {
     use cpal::traits::{DeviceTrait, HostTrait, StreamTrait};
 
@@ -282,6 +293,9 @@ fn audio_thread(
                 if let Ok(mut track) = current_track.lock() {
                     *track = Some(path.clone());
                 }
+                if let Ok(mut pos) = position.lock() {
+                    *pos = 0.0;
+                }
 
                 // Drop the current stream before creating a new one
                 current_stream = None;
@@ -334,6 +348,7 @@ fn audio_thread(
                         let vol = Arc::clone(&volume);
                         let ended = Arc::clone(&track_ended);
                         let is_playing_clone = Arc::clone(&is_playing);
+                        let position_clone = Arc::clone(&position);
 
                         if let Ok(mut d) = audio_data.lock() {
                             *d = Some(data);
@@ -434,6 +449,14 @@ fn audio_thread(
                                             *sample = 0.0;
                                         }
 
+                                        // Track playback position
+                                        if offset > 0
+                                            && let Ok(mut pos) = position_clone.lock()
+                                        {
+                                            *pos += offset as f64
+                                                / (device_sample_rate as f64 * channels as f64);
+                                        }
+
                                         // If no more data and offset is 0, track ended
                                         if offset == 0 && state.sample_buffer.is_empty() {
                                             ended.store(true, Ordering::SeqCst);