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fix: killed error #3

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fix: killed error #3

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18 changes: 8 additions & 10 deletions scripts/extract_frames.py
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Original file line number Diff line number Diff line change
Expand Up @@ -7,28 +7,26 @@
import numpy as np
from pathlib import Path

def extract_frames(cap, desired_fps: float | None) -> list[np.ndarray]:
def extract_and_save_frames(cap, desired_fps: float | None, output_dir: Path):
fps = cap.get(cv2.CAP_PROP_FPS)
if desired_fps:
fps_ratio = desired_fps/fps
fps_ratio = desired_fps / fps
else:
fps_ratio = 1.0
frames = []

output_dir.mkdir(parents=True, exist_ok=True)

portion = 0.0
frame_idx = 0
while True:
ret, rgb_image = cap.read()
if not ret:
break
portion += fps_ratio
if portion >= 1.0:
portion -= 1.0
frames.append(rgb_image)
return frames

def save_frames(frames: list[np.ndarray], output_dir: Path):
output_dir.mkdir(parents=True, exist_ok=True)
for i, frame in enumerate(frames):
cv2.imwrite(str(output_dir / f"{i:0>5}.jpg"), frame)
cv2.imwrite(str(output_dir / f"{frame_idx:0>5}.jpg"), rgb_image)
frame_idx += 1


def main():
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