Revert changes to existing files by copying some code.

mlx_video/postprocess.py

@@ -1,42 +1,8 @@
 
 import numpy as np
-from pathlib import Path
 from typing import Optional
 
 
-def save_video(frames: np.ndarray, output_path: str, fps: int = 16):
-    """Save video frames to MP4.
-
-    Args:
-        frames: Video frames [T, H, W, 3] uint8
-        output_path: Output file path
-        fps: Frames per second
-    """
-    try:
-        import imageio
-        writer = imageio.get_writer(output_path, fps=fps, codec="libx264", quality=8)
-        for frame in frames:
-            writer.append_data(frame)
-        writer.close()
-    except ImportError:
-        try:
-            import cv2
-            h, w = frames.shape[1], frames.shape[2]
-            fourcc = cv2.VideoWriter_fourcc(*"avc1")
-            writer = cv2.VideoWriter(output_path, fourcc, fps, (w, h))
-            for frame in frames:
-                writer.write(cv2.cvtColor(frame, cv2.COLOR_RGB2BGR))
-            writer.release()
-        except (ImportError, Exception):
-            # Last resort: save as individual PNGs
-            from PIL import Image
-            out_dir = Path(output_path).parent / Path(output_path).stem
-            out_dir.mkdir(parents=True, exist_ok=True)
-            for i, frame in enumerate(frames):
-                Image.fromarray(frame).save(out_dir / f"frame_{i:04d}.png")
-            print(f"  (no video encoder available, saved {len(frames)} frames to {out_dir}/)")
-
-
 def bilateral_filter(image: np.ndarray, d: int = 5, sigma_color: float = 75, sigma_space: float = 75) -> np.ndarray:
     """Apply bilateral filter to reduce grid artifacts while preserving edges.