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#!/usr/bin/env python
import argparse
import bisect
from argaze import GazeFeatures
from argaze.TobiiGlassesPro2 import TobiiEntities, TobiiVideo, TobiiData
import numpy
import cv2 as cv
def main():
"""
Replay Tobii segment video
"""
# manage arguments
parser = argparse.ArgumentParser(description=main.__doc__.split('-')[0])
parser.add_argument('-s', '--segment_path', metavar='SEGMENT_PATH', type=str, default=None, help='segment path')
args = parser.parse_args()
if args.segment_path != None:
# Load a tobii segment
tobii_segment = TobiiEntities.TobiiSegment(args.segment_path)
# Load a tobii segment video
tobii_segment_video = tobii_segment.load_video()
print(f'Video duration: {tobii_segment_video.get_duration()}, frame number: {tobii_segment_video.get_frame_number()}, width: {tobii_segment_video.get_width()}, height: {tobii_segment_video.get_height()}')
# Load a tobii segment data
tobii_segment_data = tobii_segment.load_data()
print(f'Data keys: {tobii_segment_data.keys()}')
# Access to timestamped gaze position data buffer
tobii_ts_gaze_positions = tobii_segment_data.gidx_l_gp
print(f'{len(tobii_ts_gaze_positions)} gaze positions loaded')
# video and data replay loop
try:
for frame_ts, frame in tobii_segment_video.frames():
# close window using 'Esc' key
if cv.waitKey(1) == 27:
break
cv.imshow(f'Segment {tobii_segment.get_id()} video', frame.matrix)
# exit on 'ctrl+C' interruption
except KeyboardInterrupt:
pass
# stop frame display
cv.destroyAllWindows()
if __name__ == '__main__':
main()
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