core: Fix reporting rate calculation

Author: jpochyla

psst-core/src/player/mod.rs

@@ -186,10 +186,9 @@ impl Player {
             }
         }
         const PRELOAD_BEFORE_END_OF_TRACK: Duration = Duration::from_secs(30);
-        if let Some(&item_to_preload) = self.queue.get_following() {
-            let time_until_end_of_track =
-                path.duration.checked_sub(new_position).unwrap_or_default();
-            if time_until_end_of_track <= PRELOAD_BEFORE_END_OF_TRACK {
+        let time_until_end_of_track = path.duration.checked_sub(new_position).unwrap_or_default();
+        if time_until_end_of_track <= PRELOAD_BEFORE_END_OF_TRACK {
+            if let Some(&item_to_preload) = self.queue.get_following() {
                 self.preload(item_to_preload);
             }
         }

psst-core/src/player/worker.rs

@@ -105,7 +105,7 @@ impl DecoderSource {
         let total_samples = cp.n_frames.unwrap() * chan_count as u64;
         let time_base = cp.time_base.unwrap();
         let precision =
-            REPORT_PRECISION.as_millis() as u64 / (signal_spec.rate as u64 * chan_count as u64);
+            (signal_spec.rate as f64 * chan_count as f64 * REPORT_PRECISION.as_secs_f64()) as u64;
 
         // Create a ring-buffer for the decoded samples.  Worker thread is producing,
         // we are consuming in the `AudioSource` impl.