Update app.py

app.py

@@ -5,26 +5,39 @@ import os
 
 # -------- Video Trim Funktion --------
 def trim_video(file, start, duration):
-    input_path = f"/tmp/{uuid.uuid4()}_in.mp4"
-    output_path = f"/tmp/{uuid.uuid4()}_out.mp4"
-
-    # Video speichern
-    with open(input_path, "wb") as f:
-        f.write(file.read())
-
-    # FFmpeg Befehl ausführen
-    cmd = [
-        "ffmpeg",
-        "-y",
-        "-ss", str(start),
-        "-i", input_path,
-        "-t", str(duration),
-        "-c", "copy",
-        output_path
-    ]
-    subprocess.run(cmd, check=True)
-
-    return output_path
+    try:
+        # --- Pfade für temporäre Dateien ---
+        input_path = f"/tmp/{uuid.uuid4()}_in.mp4"
+        output_path = f"/tmp/{uuid.uuid4()}_out.mp4"
+
+        # --- Datei speichern ---
+        file_bytes = file.read()  # Gradio liefert SpooledTemporaryFile
+        with open(input_path, "wb") as f:
+            f.write(file_bytes)
+
+        # --- FFmpeg Befehl ---
+        cmd = [
+            "ffmpeg",
+            "-y",
+            "-ss", str(start),
+            "-i", input_path,
+            "-t", str(duration),
+            "-c", "copy",
+            output_path
+        ]
+        subprocess.run(cmd, check=True, capture_output=True)
+
+        # --- Prüfen, ob Output existiert ---
+        if not os.path.exists(output_path):
+            return "Fehler: Output-Video wurde nicht erstellt."
+
+        return output_path
+
+    except subprocess.CalledProcessError as e:
+        return f"FFmpeg-Fehler:\n{e.stderr.decode()}"
+
+    except Exception as e:
+        return f"Allgemeiner Fehler:\n{str(e)}"
 
 # -------- Gradio Interface --------
 iface = gr.Interface(
@@ -36,7 +49,7 @@ iface = gr.Interface(
     ],
     outputs=gr.Video(label="Getrimmtes Video"),
     title="FFmpeg Video Editor",
-    description="Trimme Videos direkt im Hugging Face Space"
+    description="Trimme Videos direkt im Hugging Face Space. Fehlermeldungen werden angezeigt, falls etwas schiefgeht."
 )
 
 # -------- Server starten --------