Hopefully fixed lockup bug.

util.py

@@ -312,15 +312,29 @@ def get_media_duration(path):
     command = ("ffprobe", "-v", "quiet", "-show_entries", "format=duration",
                "-of", "default=noprint_wrappers=1:nokey=1", path)
     process = sp.Popen(command, stdout=sp.PIPE, stderr=sp.PIPE)
-    stdout, stderr = process.communicate()
-
     try:
-        if not stderr:
-            return float(stdout)
-        else:
+        stdout, stderr = process.communicate(timeout=10)  # Add timeout to prevent hanging
+        
+        try:
+            if not stderr:
+                return float(stdout)
+            else:
+                return 0
+        except ValueError:
             return 0
-    except ValueError:
+    except sp.TimeoutExpired:
+        process.kill()
+        process.wait()
         return 0
+    finally:
+        # Ensure process is properly cleaned up
+        if process.poll() is None:
+            process.terminate()
+            try:
+                process.wait(timeout=2)
+            except sp.TimeoutExpired:
+                process.kill()
+                process.wait()
 
 
 def parse_time(human):
@@ -405,9 +419,9 @@ def get_snapshot_version():
     ver = "unknown"
     if os.path.exists(os.path.join(root_dir, ".git")):
         try:
-            ret = subprocess.check_output(["git", "describe", "--tags"]).strip()
+            ret = subprocess.check_output(["git", "describe", "--tags"], timeout=5).strip()
             ver = ret.decode("utf-8")
-        except (FileNotFoundError, subprocess.CalledProcessError):
+        except (FileNotFoundError, subprocess.CalledProcessError, subprocess.TimeoutExpired):
             try:
                 with open(os.path.join(root_dir, ".git/refs/heads/master")) as f:
                     ver = "g" + f.read()[:7]