implement media command group

obsws_cli/util.py

@@ -20,3 +20,28 @@ def check_mark(value: bool, empty_if_false: bool = False) -> str:
     if os.getenv('NO_COLOR', '') != '':
         return '✓' if value else '✗'
     return '✅' if value else '❌'
+
+
+def timecode_to_milliseconds(timecode: str) -> int:
+    """Convert a timecode string (HH:MM:SS) to total milliseconds."""
+    match timecode.split(':'):
+        case [mm, ss]:
+            hours = 0
+            minutes = int(mm)
+            seconds = int(ss)
+        case [hh, mm, ss]:
+            hours = int(hh)
+            minutes = int(mm)
+            seconds = int(ss)
+    return (hours * 3600 + minutes * 60 + seconds) * 1000
+
+
+def milliseconds_to_timecode(milliseconds: int) -> str:
+    """Convert total milliseconds to a timecode string (HH:MM:SS)."""
+    total_seconds = milliseconds // 1000
+    hours = total_seconds // 3600
+    minutes = (total_seconds % 3600) // 60
+    seconds = total_seconds % 60
+    if hours == 0:
+        return f'{minutes:02}:{seconds:02}'
+    return f'{hours:02}:{minutes:02}:{seconds:02}'