Added tests and more

test4.py

@@ -0,0 +1,33 @@
+from pathlib import Path
+import subprocess
+
+def get_audio_duration(file_path: Path):
+    """
+    Get the actual duration of the first audio stream by asking ffprobe
+    to count packets/frames if the stream metadata is missing.
+    Returns duration in seconds.
+    """
+
+    # As a last resort, use the format duration
+    result = subprocess.run([
+        "ffprobe",
+        "-v", "error",
+        "-select_streams", "a:0",
+        "-show_entries", "stream_tags=DURATION",
+        "-of", "default=noprint_wrappers=1:nokey=1",
+        file_path
+        ],
+        stdout=subprocess.PIPE,
+        stderr=subprocess.PIPE,
+        text=True
+    )
+    result = result.stdout.strip().split(":")[::-1]
+    # if DEBUG: print(f"audio duration: {result}")
+    res = 0
+    if not result:
+        raise ValueError(f"Could not extract length")
+    for i in range(len(result)):
+        res += float(result[i])*(60**i)
+    return res
+
+printget_audio_duration(Path("/home/honney/mount/Media/tmp/serien/ready/Classroom of the Elite/Season 01/E01_original_audio2.mka"))