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speed.md

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Speed of diva_io.video.VideoReader

Test performed by video/speed_test.sh.

./video/speed_test.sh <video_dir>

Overall Performance

Loading all frames of 7 videos from the MEVA dataset. Each video is 5-min long and 1080p at 30 fps.

diva_io.video. VideoReader (fix_missing=True) diva_io.video. VideoReader (fix_missing=False) pymovie.editor .VideoFileClip cv2.VideoCapture
User Time 338.12s 329.00s 904.09s 844.35s
System Time 0.80s 0.60s 317.14s 6.44s
CPU Utilization 99% 99% 293% 264%
Total Time 338.98s 329.60s 416.31s 321.06s

Detailed Results

Video Name Video Description diva_io.video .VideoReader (fix_missing=True) diva_io.video .VideoReader (fix_missing=False) pymovie.editor .VideoFileClip cv2.VideoCapture
2018-03-11.16-30-08.16-35-08.hospital.G436.avi No missing 0:45 0:44 1:00 0:26
2018-03-07.16-55-06.17-00-06.school.G336.avi Missing 104-109, 2294 0:55 0:53 0:59 0:26
2018-03-11.11-25-01.11-30-01.school.G424.avi Missing 7391-7499 0:38 0:37 0:58 0:26
2018-03-11.16-25-00.16-30-00.school.G639.avi Bidirectional frames, missing 1, 4 0:55 0:53 0:59 0:27
2018-03-11.11-35-00.11-40-00.school.G299.avi Packet id and frame id unsychronized, missing 5789-5797 0:50 0:49 0:58 1:42
2018-03-11.11-35-00.11-40-00.school.G330.avi Packet id and frame id unsychronized, missing 5755-5761 0:50 0:49 0:58 0:39
2018-03-12.10-05-00.10-10-00.hospital.G436.avi First packet fail 0:41 0:41 0:59 1:11