File size: 2,148 Bytes
117e206 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 | import numpy as np
import argparse
from pathlib import Path
import cv2
import click
import tqdm
@click.command()
@click.option("--infile", required=True, help="input file")
@click.option(
"--outfile",
default=None,
help="Output file. If not given will be saved in the same directory as the input file.",
)
def split_stereo_video(infile, outfile):
"""
Script to split stereo video into left/right videos.
"""
infile = Path(infile)
if outfile is not None:
outfile = Path(outfile)
else:
outfile = infile.parent
outfile.mkdir(exist_ok=True)
if not infile.exists():
print("input file not found")
exit(0)
cap = cv2.VideoCapture(str(infile))
total_frames = int(cap.get(cv2.CAP_PROP_FRAME_COUNT))
if not cap.isOpened():
print("Error opening video file")
exit()
enc = cv2.VideoWriter_fourcc(*"XVID")
vid_format = ".avi"
left_out_path = outfile / (infile.with_suffix("").name + "_left" + vid_format)
right_out_path = outfile / (infile.with_suffix("").name + "_right" + vid_format)
print(f"writing to {left_out_path}")
left_out = None
right_out = None
index = 0
with tqdm.tqdm(total=total_frames) as pbar:
while cap.isOpened():
ret, frame = cap.read()
if index == 0:
frame_width = frame.shape[1] // 2
frame_height = frame.shape[0]
left_out = cv2.VideoWriter(str(left_out_path), enc, 25, (frame_width, frame_height))
right_out = cv2.VideoWriter(
str(right_out_path), enc, 25, (frame_width, frame_height)
)
if ret:
left = frame[:, :frame_width, :]
right = frame[:, frame_width:, :]
left_out.write(left)
right_out.write(right)
else:
break
index += 1
pbar.update(1)
cap.release()
left_out.release()
right_out.release()
cv2.destroyAllWindows()
print("finish processing videos")
if __name__ == "__main__":
split_stereo_video()
|