def _load_frame_by_date(self, date: datetime):
"""
Assume that frames are organized
"""
min_delta = -1
logger.debug('Loading frame by date')
found = False
# Improves processing time
self._last_index += 1
selected_frame = None
if self._last_index < len(self._frame_info):
frame = self._frame_info[self._last_index]
ticks = frame[1]
date_frame = ClassUtils.ticks_to_datetime(ticks)
delta = (date - date_frame).seconds
if 0 <= delta <= 0.5:
selected_frame = frame
found = True
# Iterate over all elems
if selected_frame is None:
for index, frame in enumerate(self._frame_info):
ticks = frame[1]
date_frame = ClassUtils.ticks_to_datetime(ticks)
delta = (date - date_frame).total_seconds()
if min_delta == -1 or delta < min_delta:
if 0 <= delta <= 0.5:
min_delta = delta
selected_frame = frame
self._last_index = index
found = True
# Get last if not found
if selected_frame is None:
selected_frame = self._last_frame
found = False
# Add found variable to dir
selected_frame[2]['found'] = found
self._last_frame = selected_frame
return selected_frame
def main():
print('Initializing main function')
ticks = 636764878330000000
print('Converting ticks: {0}'.format(ticks))
converted_date = ClassUtils.ticks_to_datetime(ticks)
print('Date converted: {0}'.format(converted_date))
print('Done!')
def main():
print('Initializing main function')
date = datetime(2018, 2, 1, 12, 0, 0, 4563)
print('Date: {0}'.format(date))
ticks = ClassUtils.datetime_to_ticks(date)
print('Ticks: {0}'.format(ticks))
new_date = ClassUtils.ticks_to_datetime(ticks)
print('New datetime: {0}'.format(new_date))
print('Done!')
def main():
print('Initializing main function')
print('Select file to open')
Tk().withdraw()
init_dir = '/home/mauricio/Videos/Oviedo/2018-10-30/'
filename, list_frames = load_video_info(init_dir)
# Creating window to show frames
print(
'Press any button to continue, esc to quit, s to save, c to change file'
)
cv2.namedWindow('main_window', cv2.WND_PROP_AUTOSIZE)
index = 0
while True:
frame_info = list_frames[index]
frame_bin = frame_info[0]
ticks = frame_info[1]
date_frame = ClassUtils.ticks_to_datetime(ticks)
print('Date Frame: {0}'.format(date_frame))
image_np = np.frombuffer(frame_bin, dtype=np.uint8)
frame = cv2.imdecode(image_np, cv2.IMREAD_ANYCOLOR)
print('Showing frame {0} of {1}'.format(index, len(list_frames)))
cv2.imshow('main_window', frame)
key = cv2.waitKey(0)
print('Key pressed: {0}'.format(key))
if key == 52:
# Left arrow
index -= 1
if index < 0:
index = 0
elif key == 54:
# Right arrow
index += 1
if index == len(list_frames):
index = len(list_frames) - 1
elif key == 27:
# Esc
break
elif key == 115:
# s
print('Saving image')
init_dir = '/home/mauricio/Pictures/Poses'
options = {'initialdir': init_dir, 'defaultextension': '.jpg'}
file_image = asksaveasfilename(**options)
if not file_image:
print('Filename not selected')
else:
print('Saving image in {0}'.format(file_image))
cv2.imwrite(file_image, frame)
# Bug OpenCV
cv2.destroyAllWindows()
cv2.namedWindow('main_window', cv2.WND_PROP_AUTOSIZE)
elif key == 99:
cv2.destroyAllWindows()
dir_name = os.path.dirname(filename)
print('Last processed video: {0}'.format(filename))
filename, list_frames = load_video_info(dir_name)
# Creating window to show frames
print(
'Press any button to continue, esc to quit, s to save, c to change file'
)
cv2.namedWindow('main_window', cv2.WND_PROP_AUTOSIZE)
index = 0
else:
print('Key not selected')
print('Done!')