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dataprepare.py
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dataprepare.py
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import os, sys, datetime
import cv2 as cv
import argparse
import youtube_dl
from data import video
# ------------------------------------parameters------------------------------#
parser = argparse.ArgumentParser(description='Process parameters.',
formatter_class=argparse.ArgumentDefaultsHelpFormatter)
parser.add_argument('--start_id', default=2000, type=int, help='starting scene index')
parser.add_argument('--duration', default=120, type=int, help='scene duration')
parser.add_argument('--disk_path', default="/mnt/netdisk/data/video/", help='the path to save the dataset')
parser.add_argument('--summary_dir', default="", help='the path to save the log')
parser.add_argument('--REMOVE', action='store_true',
help='whether to remove the original video file after data preparation')
parser.add_argument('--TEST', action='store_true',
help='verify video links, save information in log, no real video downloading!')
Flags = parser.parse_args()
if Flags.summary_dir == "":
Flags.summary_dir = os.path.join(Flags.disk_path, "log/")
os.path.isdir(Flags.disk_path) or os.makedirs(Flags.disk_path)
os.path.isdir(Flags.summary_dir) or os.makedirs(Flags.summary_dir)
link_path = "https://vimeo.com/"
video_data_dict = {
# Videos and frames are hard-coded.
# We select frames to make sure that there is no scene switching in the data
# We assume that the Flags.duration is 120
"121649159": [0, 310, 460, 720, 860], # 1
"40439273": [90, 520, 700, 1760, 2920, 3120, 3450, 4750, 4950, 5220, 6500, 6900, 9420, 9750], # 2
"87389090": [100, 300, 500, 800, 1000, 1200, 1500, 1900, 2050, 2450, 2900], # 3
"335874600": [287, 308, 621, 1308, 1538, 1768, 2036, 2181, 2544, 2749, 2867, 3404, 3543, 3842, 4318, 4439,
4711, 4900, 7784, 8811, 9450], # new, old #[4,6,13,14,19] 404
"114053015": [30, 1150, 2160, 2340, 3190, 3555], # 5
"160578133": [550, 940, 1229, 1460, 2220, 2900, 3180, 4080, 4340, 4612, 4935,
5142, 5350, 5533, 7068], # new, old #[20,21,27,29,30,35] 404
"148058982": [80, 730, 970, 1230, 1470, 1740], # 7
"150225201": [0, 560, 1220, 1590, 1780], # 8
"145096806": [0, 300, 550, 800, 980, 1500], # 9
"125621327": [240, 900, 1040, 1300, 1970, 2130, 2530, 3020, 3300, 3620, 3830, 4300, 4700, 4960], # 10
"162166758": [120, 350, 540, 750, 950, 1130, 1320, 1530, 1730, 1930], # 11
"115829238": [140, 450, 670, 910, 1100, 1380, 1520, 1720], # 12
"159455925": [40, 340, 490, 650, 850, 1180, 1500, 1800, 2000, 2300, 2500, 2800, 3200], # 15
"193873193": [0, 280, 1720], # 16
"133842385": [300, 430, 970, 1470, 1740, 2110, 2240, 2760, 3080, 3210, 3400, 3600], # 17
"97692560": [0, 210, 620, 930, 1100, 1460, 1710, 2400, 2690, 3200, 3400, 3560, 3780], # 18
"142480565": [835, 1380, 1520, 1700, 2370, 4880], # 22
"174952003": [480, 680, 925, 1050, 1200, 1380, 1600, 1800, 2100, 2350, 2480, 2680, 3000, 3200, 3460, 4500, 4780,
5040, 5630, 5830, 6400, 6680, 7300, 7500, 7800], # 23
"165643973": [300, 600, 1000, 1500, 1700, 1900, 2280, 2600, 2950, 3200, 3500, 3900, 4300, 4500], # 24
"163736142": [120, 400, 700, 1000, 1300, 1500, 1750, 2150, 2390, 2550, 3100, 3400, 3800, 4100, 4400, 4800, 5100,
5500, 5800, 6300], # 25
"189872577": [0, 170, 340, 4380, 4640, 5140, 7300, 7470, 7620, 7860, 9190, 9370], # 26
"181180995": [30, 160, 400, 660, 990, 2560, 2780, 3320, 3610, 5860, 6450, 7260, 7440, 8830, 9020, 9220, 9390, ],
# 28
"167892347": [220, 1540, 2120, 2430, 5570, 6380, 6740], # 31
"146484162": [1770, 2240, 3000, 4800, 4980, 5420, 6800], # 32
"204313990": [110], # 33
"169958461": [140, 700, 1000, 1430, 1630, 1900, 2400, 2600, 2800, 3000, 3200, 3600, 3900, 4200, 4600, 5000, 5700,
6000, 6400, 6800, 7100, 7600, 7900, 8200], # 34
"198634890": [200, 320, 440, 1200, 1320, 1560, 1680, 1800, 1920, 3445], # 36
"89936769": [1260, 1380, 1880], # 37
}
# ------------------------------------log------------------------------#
def print_configuration_op(FLAGS):
print('[Configurations]:')
for name, value in FLAGS.__dict__.items():
print('\t%s: %s' % (name, str(value)))
print('End of configuration')
class MyLogger(object):
def __init__(self):
self.terminal = sys.stdout
now_str = datetime.datetime.now().strftime("%m%d%H%M")
self.log = open(Flags.summary_dir + "logfile_%s.txt" % now_str, "a")
def write(self, message):
self.terminal.write(message)
self.log.write(message)
def flush(self):
self.log.flush()
sys.stdout = MyLogger()
print_configuration_op(Flags)
# ------------------------------------tool------------------------------#
def gen_frames(infile, outdir, width, height, start, duration, savePNG=True):
print("folder %s: %dx[%d,%d]//2 at frame %d of %s"
% (outdir, duration, width, height, start, infile,))
if savePNG:
cam = video.create_capture(infile)
for i in range(duration):
colFull = video.getImg(cam, i + start)
filename = outdir + 'col_high' + ("_%04d.png" % (i))
cv.imwrite(filename, colFull)
# ------------------------------------main------------------------------#
cur_id, valid_video, try_num = Flags.start_id, 0, 0
for keys in video_data_dict:
try_num += len(video_data_dict[keys])
print("Try loading %dx%d." % (try_num, Flags.duration))
ydl = youtube_dl.YoutubeDL(
{'format': 'bestvideo/best',
'outtmpl': os.path.join(Flags.disk_path, '%(id)s.%(ext)s'), })
saveframes = not Flags.TEST
for keys in video_data_dict:
tar_vid_input = link_path + keys
print(tar_vid_input)
info_dict = {"width": -1, "height": -1, "ext": "xxx", }
# download video from vimeo
try:
info_dict = ydl.extract_info(tar_vid_input, download=saveframes)
# we only need info_dict["ext"], info_dict["width"], info_dict["height"]
except KeyboardInterrupt:
print("KeyboardInterrupt!")
exit()
except:
print("youtube_dl error:" + tar_vid_input)
pass
# check the downloaded video
tar_vid_output = os.path.join(Flags.disk_path, keys + '.' + info_dict["ext"])
if saveframes and (not os.path.exists(tar_vid_output)):
print("Skipped invalid link or other error:" + tar_vid_input)
continue
if info_dict["width"] < 400 or info_dict["height"] < 400:
print("Skipped videos of small size %dx%d" % (info_dict["width"], info_dict["height"]))
continue
valid_video = valid_video + 1
# get training frames
for start_fr in video_data_dict[keys]:
tar_dir = os.path.join(Flags.disk_path, "scene_%04d/" % cur_id)
if (saveframes):
os.path.isdir(tar_dir) or os.makedirs(tar_dir)
gen_frames(tar_vid_output, tar_dir, info_dict["width"], info_dict["height"], start_fr, Flags.duration,
saveframes)
cur_id = cur_id + 1
if saveframes and Flags.REMOVE:
print("remove ", tar_vid_output)
os.remove(tar_vid_output)
print("Done: get %d valid folders with %d frames from %d videos." % (
cur_id - Flags.start_id, Flags.duration, valid_video))