add generate.py demo.

generate.py

@@ -0,0 +1,27 @@
+import sys
+import argparse
+import cv2
+import numpy as np
+
+def create_dummy_video(output_path, duration, resolution):
+    width, height = map(int, resolution.split("*"))
+    fps = 24
+    fourcc = cv2.VideoWriter_fourcc(*'mp4v')
+    out = cv2.VideoWriter(output_path, fourcc, fps, (width, height))
+
+    # Δημιουργία μαύρων frames
+    for _ in range(fps * duration):
+        frame = np.zeros((height, width, 3), dtype=np.uint8)
+        out.write(frame)
+
+    out.release()
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser()
+    parser.add_argument("--prompt", type=str, required=True)
+    parser.add_argument("--output", type=str, required=True)
+    parser.add_argument("--duration", type=int, default=5)
+    parser.add_argument("--size", type=str, default="640*480")
+    args = parser.parse_args()
+
+    create_dummy_video(args.output, args.duration, args.size)