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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 lib.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))