Update app.py

app.py

@@ -1321,7 +1321,14 @@ class VideoGeneratorUI:
     
 class VideoGenerator:
     def __init__(self):
-        self.temp_dir = Path(tempfile.mkdtemp())
+        # Create base directories
+        self.base_dir = os.path.abspath("generated_videos")
+        self.temp_dir = os.path.abspath(tempfile.mkdtemp())
+        
+        # Ensure directories exist
+        os.makedirs(self.base_dir, exist_ok=True)
+        os.makedirs(self.temp_dir, exist_ok=True)
+        
         self.setup_resources()
 
     def setup_resources(self):
@@ -1424,10 +1431,18 @@ class VideoGenerator:
         )
 
     def generate_video(self, script: str, images: List[str], duration: int, output_path: str) -> str:
+        if not script or not images:
+            raise ValueError("Script and images are required")
+
+        if not output_path:
+            # Generate default output path if none provided
+            timestamp = int(time.time())
+            output_path = os.path.join(self.base_dir, f"video_{timestamp}.mp4")
+        
+        # Ensure output directory exists
+        os.makedirs(os.path.dirname(os.path.abspath(output_path)), exist_ok=True)
+        
         try:
-            # Create temporary directory for processing
-            os.makedirs(os.path.dirname(output_path), exist_ok=True)
-            
             # Process images
             processed_images = []
             for img_url in images:
@@ -1454,14 +1469,12 @@ class VideoGenerator:
             frames = []
             frame_count = 0
             
-            # Generate video frames
+            # Generate frames
             for idx, img in enumerate(processed_images):
-                # Get text section for this image
                 start_idx = idx * words_per_image
                 end_idx = start_idx + words_per_image if idx < len(processed_images) - 1 else len(words)
                 section_text = ' '.join(words[start_idx:end_idx])
                 
-                # Generate frames for this section
                 for frame in range(frames_per_image):
                     if frame_count < total_frames:
                         frame_img = self.create_video_frame(
@@ -1473,10 +1486,10 @@ class VideoGenerator:
                         frames.append(frame_img)
                         frame_count += 1
                         
-                # Add transition frames
+                # Add transitions
                 if idx < len(processed_images) - 1:
                     next_img = processed_images[idx + 1]
-                    for t in range(15):  # 15 frame transition
+                    for t in range(15):
                         if frame_count < total_frames:
                             alpha = t / 15
                             transition_frame = Image.blend(
@@ -1494,15 +1507,15 @@ class VideoGenerator:
                             frame_count += 1
             
             # Generate audio
-            audio_path = self.temp_dir / "audio.mp3"
+            audio_path = os.path.join(self.temp_dir, "audio.mp3")
             tts = gTTS(text=script, lang='en')
-            tts.save(str(audio_path))
+            tts.save(audio_path)
             
             # Create video
             clip = ImageSequenceClip(frames, fps=fps)
-            audio_clip = AudioFileClip(str(audio_path))
+            audio_clip = AudioFileClip(audio_path)
             
-            # Adjust video length to match audio
+            # Adjust durations
             if audio_clip.duration < clip.duration:
                 clip = clip.subclip(0, audio_clip.duration)
             else: