From bb78c52396bddf31b014876d9fa76597deebba6b Mon Sep 17 00:00:00 2001
From: Ryo Nakano <ryonakaknock3@gmail.com>
Date: Mon, 14 Aug 2023 07:39:40 +0900
Subject: [PATCH] Leave some comments

---
 src/Services/Recorder.vala | 14 ++++++++------
 src/Widgets/LevelBar.vala  |  7 ++++---
 2 files changed, 12 insertions(+), 9 deletions(-)

diff --git a/src/Services/Recorder.vala b/src/Services/Recorder.vala
index c413fecc..157f4ac5 100644
--- a/src/Services/Recorder.vala
+++ b/src/Services/Recorder.vala
@@ -12,15 +12,16 @@ public class Recorder : Object {
     public signal void save_file (string tmp_full_path, string suffix);
 
     public enum RecordingState {
-        STOPPED,
-        PAUSED,
-        RECORDING
+        STOPPED,                // Not recording
+        PAUSED,                 // Recording is paused
+        RECORDING               // Recording is ongoing
     }
 
+    // Convert from RecordingState to Gst.State
     private const Gst.State GST_STATE_TABLE[] = {
-        Gst.State.NULL,
-        Gst.State.PAUSED,
-        Gst.State.PLAYING
+        Gst.State.NULL,         // RecordingState.STOPPED
+        Gst.State.PAUSED,       // RecordingState.PAUSED
+        Gst.State.PLAYING       // RecordingState.RECORDING
     };
 
     public RecordingState state {
@@ -29,6 +30,7 @@ public class Recorder : Object {
         }
 
         set {
+            // Control actual recording to stop, start, or pause
             pipeline.set_state (GST_STATE_TABLE[value]);
             _state = value;
         }
diff --git a/src/Widgets/LevelBar.vala b/src/Widgets/LevelBar.vala
index 5836f571..f2d34ea8 100644
--- a/src/Widgets/LevelBar.vala
+++ b/src/Widgets/LevelBar.vala
@@ -70,9 +70,10 @@ public class LevelBar : Gtk.Box {
                     serie.line.color = { 0.7f, 0.1f, 0.2f, 1.0f };
 
                     if (timestamp == -1) {
-                        timestamp = GLib.get_real_time () / 1000;
-                        // Seek on the timeline
-                        config.time.current = GLib.get_real_time () / config.time.conv_us;
+                        // Seek to the current timestamp
+                        int64 now_msec = GLib.get_real_time () / 1000;
+                        timestamp = now_msec;
+                        config.time.current = now_msec;
                     }
 
                     update_graph_timeout = Timeout.add (REFRESH_USEC, () => {