Fix video_service.py

app/services/video_service.py

@@ -45,16 +45,15 @@ def generate_video_file(script: str, duration: int = None) -> str:
     tts = gTTS(text=script, lang='en')
     tts.save(audio_path)
 
-    # Get audio duration (fallback if 0)
+    # Step 2: Get audio duration
     audio = MP3(audio_path)
-    audio_duration = max(audio.info.length, 3.0)  # ensure at least 3s
+    audio_duration = max(audio.info.length, 3.0)
 
-    # Step 2: Fetch Unsplash images
+    # Step 3: Fetch Unsplash images
     images = fetch_unsplash_images(script, count=3)
     if not images:
         raise Exception("No images found from Unsplash for the prompt")
 
-    # Step 3: Create slideshow clips
     clips = []
     per_image_duration = audio_duration / len(images)
     tmp_files = []
@@ -70,28 +69,26 @@ def generate_video_file(script: str, duration: int = None) -> str:
         clip = ImageClip(tmp_file).resize(height=720).set_duration(per_image_duration)
         clips.append(clip)
 
-    # Step 4: Concatenate and set duration
-    final_clip = concatenate_videoclips(clips, method="compose")
-    final_clip = final_clip.set_duration(audio_duration)
-
-    # Step 5: Add audio
+    final_clip = concatenate_videoclips(clips, method="compose").set_duration(audio_duration)
     final_clip = final_clip.set_audio(AudioFileClip(audio_path))
 
-    # Step 6: Export video
+    # ✅ Use /tmp temp audio to avoid "generated" folder
     final_clip.write_videofile(
         video_path,
         fps=24,
         codec="libx264",
         audio_codec="aac",
         threads=4,
-        preset="ultrafast"
+        preset="ultrafast",
+        temp_audiofile="/tmp/temp-audio.m4a",
+        remove_temp=True
     )
 
-    # Cleanup temp images
+    # Cleanup
     for file in tmp_files:
         try:
             os.remove(file)
         except:
             pass
 
-    return video_filename
+    return video_filename