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Fix to video rendering issue on Mac OS #37

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Fix to video rendering issue on Mac OS #37

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4 changes: 2 additions & 2 deletions gridworld/visualizer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -80,8 +80,8 @@ def render_video(self, output,
self.set_agent_state(*init_conds)
fourcc = cv2.VideoWriter_fourcc(*'mp4v')
output.parent.mkdir(exist_ok=True)
writer = cv2.VideoWriter(f'{output}.mp4', fourcc, fps, self.render_size)
image = self.render()
writer = cv2.VideoWriter(f'{output}.mp4', fourcc, fps, image.shape[:2])
writer.write(image[..., ::-1])
tq = tqdm(total=len(event_sequence), disable=not verbose)
for _, event in enumerate(event_sequence):
Expand All @@ -106,4 +106,4 @@ def postproc_video(self, output):
os.system(f"mv {output}2.mp4 {output}.mp4")
else:
raise ValueError('Install the latest version of ffmpeg')