Create downloader.py

downloader.py

@@ -0,0 +1,78 @@
+import os
+import csv
+import yt_dlp as youtube_dl
+import cv2
+from moviepy.editor import VideoFileClip
+
+def download_and_extract_frames(csv_file, output_base_folder='video_frames'):
+    # Create base output folder if it doesn't exist
+    os.makedirs(output_base_folder, exist_ok=True)
+    
+    # Read the CSV file
+    with open(csv_file, 'r') as file:
+        csv_reader = csv.reader(file)
+        # Skip header if exists
+        next(csv_reader, None)
+        
+        # Process each video
+        for row in csv_reader:
+            try:
+                video_name, video_link = row
+                
+                # Sanitize video name for folder creation
+                safe_video_name = ''.join(c if c.isalnum() or c in ['-', '_'] else '_' for c in video_name)
+                
+                # Setup download options
+                ydl_opts = {
+                    'outtmpl': f'./{safe_video_name}.%(ext)s',
+                    'format': 'bestvideo+bestaudio/best',
+                    'no_color': True,  # Disable color output
+                    'no_warnings': True  # Suppress warnings
+                }
+                
+                # Download video
+                with youtube_dl.YoutubeDL(ydl_opts) as ydl:
+                    ydl.download([video_link])
+                
+                # Find the downloaded video file
+                downloaded_files = os.listdir('.')
+                video_files = [f for f in downloaded_files if f.startswith(safe_video_name) and 
+                               (f.endswith('.mp4') or f.endswith('.webm') or f.endswith('.mkv'))]
+                
+                if not video_files:
+                    print(f"Error: No video file found for {video_name}")
+                    continue
+                
+                # Create folder for frames
+                frame_folder = os.path.join(output_base_folder, safe_video_name)
+                os.makedirs(frame_folder, exist_ok=True)
+                
+                # Process each downloaded video file
+                for video_file in video_files:
+                    # Extract frames
+                    video = cv2.VideoCapture(video_file)
+                    frame_count = 0
+                    
+                    while True:
+                        ret, frame = video.read()
+                        if not ret:
+                            break
+                        
+                        # Save frame
+                        frame_path = os.path.join(frame_folder, f'frame_{frame_count:04d}.jpg')
+                        cv2.imwrite(frame_path, frame)
+                        frame_count += 1
+                    
+                    # Release video capture
+                    video.release()
+                    
+                    print(f"Processed {video_name} from {video_file}: {frame_count} frames extracted")
+            
+            except Exception as e:
+                print(f"Error processing {video_name}: {str(e)}")
+                # Continue to next video if one fails
+                continue
+
+# Usage
+if __name__ == "__main__":
+    download_and_extract_frames('videos.csv')