pixel-format-fix (#3)

- update pixel format (0b97fc423c2a2b5ba36d8fec8c37b8e6fcff1a91)

demo_utils.py

@@ -39,7 +39,7 @@ def image_to_video(image_path, output_path, fps):
 
     img_array = np.array(img)
 
-    with imageio.get_writer(output_path, fps=fps, format='FFMPEG', codec='libx264', pixelformat='yuv420p', macro_block_size=1) as writer:
+    with imageio.get_writer(output_path, fps=fps, format='FFMPEG', codec='libx264', pixelformat='yuv444p', macro_block_size=1) as writer:
         writer.append_data(img_array)
 
     return {
@@ -582,6 +582,6 @@ def process_video(video_path, setup, gazing_ratio=0.75, task_loss_requirement=0.
 
 
 def save_video(frames, output_path, fps):
-    with imageio.get_writer(output_path, fps=fps, format='FFMPEG', codec='libx264', pixelformat='yuv420p', macro_block_size=1) as writer:
+    with imageio.get_writer(output_path, fps=fps, format='FFMPEG', codec='libx264', pixelformat='yuv444p', macro_block_size=1) as writer:
         for frame in frames:
             writer.append_data(frame)