640 lines
23 KiB
Python
640 lines
23 KiB
Python
import cv2
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import gettext
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from itertools import count
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import os
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# Needed for utf-8 text
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from PIL import ImageFont, ImageDraw, Image
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from send2trash import send2trash
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import signal
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import sys
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import subprocess
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import time
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from timeit import default_timer as timer
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import tomllib
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import numpy as np
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import serialutils
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running_from_folder = os.path.realpath(__file__)
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alphabet = ['A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z']
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# l10n
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LOCALE = os.getenv('LANG', 'en_EN')
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_ = gettext.translation('template', localedir='locales', languages=[LOCALE]).gettext
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# Config
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# defaults
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project_settings_defaults = {
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'cam_is_showmewebcam': False,
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'use_date_for_folder': False,
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'file_extension':'png',
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'projects_folder': '',
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'onion_skin_onstartup' : False,
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'onionskin_alpha_default' : 0.4,
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'fullscreen_bool' : True,
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'screen_w' : 1920,
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'screen_h' : 1080,
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'framerate' : 16,
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'ffmpeg_path' : None,
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'export_options' : 'scale=1920:-1,crop=1920:1080:0:102',
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}
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camera_current_settings_defaults = {
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'cam_w' : 800,
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'cam_h' : 600,
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'vflip' : 0,
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'hflip' : 0,
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'auto_exposure' : 0,
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'white_balance_auto_preset' : 0,
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}
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# Load from file
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config_locations = ["./", "~/.", "~/.config/"]
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config_found_msg = _("No configuration file found, using defaults.")
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project_settings = project_settings_defaults
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camera_current_settings = camera_current_settings_defaults
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for location in config_locations:
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# Optional config files, ~ is expanded to $HOME on *nix, %USERPROFILE% on windows
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if os.path.exists( os.path.expanduser(os.path.join(location, 'config.toml'))):
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with open(os.path.expanduser(location + 'config.toml'), 'rb') as config_file:
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project_settings = tomllib.load(config_file)
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if 'CAMERA' in project_settings:
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camera_settings = project_settings['CAMERA']
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if 'DEFAULT' in project_settings:
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project_settings = project_settings['DEFAULT']
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config_found_msg = _("Found configuration file in {}").format(os.path.expanduser(location))
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print(config_found_msg)
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camera_current_settings = {
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'auto_exposure': dict(min=0, max=1, default=camera_settings['auto_exposure'], value=camera_settings['auto_exposure']),
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'white_balance_auto_preset': dict(min=0, max=9, default=camera_settings['white_balance_auto_preset'], value=camera_settings['white_balance_auto_preset']),
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'horizontal_flip': dict(min=0, max=1, default=camera_settings['hflip'], value=camera_settings['hflip']),
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'vertical_flip': dict(min=0, max=1, default=camera_settings['vflip'], value=camera_settings['vflip']),
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'video_bitrate': dict(min=25000000, max=25000000, default=camera_settings['video_bitrate'], value=camera_settings['video_bitrate']),
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}
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def apply_cam_setting(cam_settings:dict, to_set:list=None):
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cmd = 'v4l2-ctl -d /dev/video0'
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args = []
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for setting in cam_settings:
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if to_set is None:
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# Apply defaults
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cam_settings[setting]['value'] = cam_settings[setting]['default']
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cmd += ' -c {}={}'
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args.append(setting)
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args.append(cam_settings[setting]['value'])
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else:
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# Increment settings in to_set
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for setting in to_set:
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if setting in cam_settings:
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if cam_settings[setting]['value']+1 in range(cam_settings[setting]['min'],cam_settings[setting]['max']+1):
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cam_settings[setting]['value'] += 1
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else:
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cam_settings[setting]['value'] = cam_settings[setting]['min']
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cmd += ' -c {}={}'
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args.append(setting)
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args.append(cam_settings[setting]['value'])
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else:
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print(_("Unknown setting!"))
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break
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if project_settings['cam_is_showmewebcam']:
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serialutils.send_serial_cmd(serialutils.find_cam_port(), cmd.format(*args))
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else:
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# TODO: v4l2 support
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print(_("Camera function not supported."))
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return cam_settings
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def generate_text_image(text:str, screen_w, screen_h, bullets=False):
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text_image = Image.new('RGB',
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(screen_w, screen_h),
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(0,0,0)
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)
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text_image_draw = ImageDraw.Draw(text_image)
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if text is not None:
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font = ImageFont.truetype("Tuffy_Bold.ttf", (screen_w/32))
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lines = text.split('\n')
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longest_line = lines[0]
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for line in lines:
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if len(line) > len(longest_line):
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longest_line = line
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font_len = font.getlength(lines[lines.index(longest_line)])
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text_image_draw.multiline_text((screen_w/2 - font_len/2, screen_h/3 ),
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text,
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fill=(255, 255, 255),
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font=font,
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align='center',
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spacing=20
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)
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if bullets:
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dot_radius = screen_w/24
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x_unit = (screen_w/32)
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y_unit = (screen_h/32)
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green_dot = (x_unit*14, y_unit*24)
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red_dot = (green_dot[0]+x_unit*4, green_dot[1])
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# Green dot
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text_image_draw.circle(green_dot,
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dot_radius,
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fill=(0,255,0),
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outline=None,
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width=1
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)
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text_image_draw.text(green_dot,
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_("Yes"),
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fill=(0, 0, 0),
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font=font,
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anchor="mm",
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spacing=20
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)
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# Red dot
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text_image_draw.circle(red_dot,
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dot_radius,
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fill=(0,0,255),
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outline=None,
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width=1
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)
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text_image_draw.text(red_dot,
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_("No"),
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fill=(0, 0, 0),
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font=font,
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anchor="mm",
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spacing=20
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)
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text_image = np.array(text_image)
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return text_image
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def askyesno(text:str):
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blank = generate_text_image(text, project_settings['screen_w'], project_settings['screen_h'], bullets=True)
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cv2.imshow("StopiCV", blank)
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# Wait for input to continue
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answer = cv2.waitKey(0)
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# Space pressed == yes
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if answer%256 == 32 or answer%256 == 48 :
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return True
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# Any other key == no
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else:
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return False
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def find_letter_after(letter:str, date=False):
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if letter in alphabet and alphabet.index(letter) < len(alphabet) - 1 and not date:
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letter = alphabet[alphabet.index(letter) + 1]
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else:
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# Create folder with date
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year,mon,day,hour,minute,sec,wd,yd,dst = time.localtime()
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letter = '{}-{}-{}_{}-{}-{}'.format(year,mon,day,hour,minute,sec)
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return letter
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def get_projects_folder():
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if len(projects_folder):
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project_folder = projects_folder
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else:
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# Get user folder
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project_folder = os.path.expanduser('~')
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# If a project folder is defined in settings, use it
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if project_settings['projects_folder'] != '':
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subfolder = project_settings['projects_folder']
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else:
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# If it doesn't exist, use a default name
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subfolder = 'Stopmotion Projects'
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project_folder = os.path.join(project_folder, subfolder)
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# Create folder if it doesn't exist
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if os.path.exists(project_folder) == False:
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os.mkdir(project_folder)
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else:
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if not os.path.isdir(project_folder):
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# If file exists but is not a folder, can't create it, abort
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return False
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return project_folder
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def get_session_folder():
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global next_letter
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project_folder = get_projects_folder()
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if project_folder:
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sessions_list = []
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dir_list = os.listdir(project_folder)
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# Filter folders with name only one char long
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for folder in dir_list:
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if len(folder) == 1 and folder in alphabet:
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sessions_list.append(folder)
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# If folders exist, find last folder in alphabetical order
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if len(sessions_list):
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sessions_list.sort()
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last_letter = sessions_list[-1]
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# By default, find next letter for a new session
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next_letter = find_letter_after(last_letter, project_settings['use_date_for_folder'])
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if next_letter is False:
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return False
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# A previous session folder was found; ask the user if they wish to resume session
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if not project_settings['use_date_for_folder']:
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resume_session = askyesno(_("A previous session was found in\n {},\n resume shooting ?").format(os.path.join(project_folder, last_letter)))
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# ~ resume_session = tk.messagebox.askyesno(_("Resume session?"), _("A previous session was found in {}, resume shooting ?").format(os.path.join(project_folder, last_letter)))
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if resume_session:
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next_letter = last_letter
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else:
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if not project_settings['use_date_for_folder']:
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next_letter = 'A'
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else:
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next_letter = find_letter_after('A', project_settings['use_date_for_folder'])
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if os.path.exists(os.path.join(project_folder, next_letter)) is False:
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os.mkdir(os.path.join(project_folder, next_letter))
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print(_("Using {} as session folder.").format(os.path.join(project_folder, next_letter)))
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return os.path.join(project_folder, next_letter)
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return False
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def get_frames_list(folder:str):
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# Get JPG files list in current directory
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existing_animation_files = img_list
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file_list = os.listdir(folder)
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for file in file_list:
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if (file.startswith(project_letter) and file.endswith(project_settings['file_extension'])):
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if file not in existing_animation_files:
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existing_animation_files.append(file)
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if len(existing_animation_files) == 0:
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# If no images were found, return fake name set to -001 to init file count to 000
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return ["{}.{:04d}.{}".format(next_letter, -1, project_settings['file_extension'])]
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existing_animation_files.sort()
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return existing_animation_files
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def get_last_frame(folder:str):
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# Refresh file list
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existing_animation_files = get_frames_list(folder)
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# Get last file
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# Filename pattern is A.0001.JPG
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return existing_animation_files[-1].split('.')
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def get_onionskin_frame(folder:str, index=None):
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prev_image = get_last_frame(folder)
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prev_image = '.'.join(prev_image)
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if os.path.exists( os.path.expanduser(os.path.join(savepath, prev_image))):
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frm = cv2.imread(os.path.join(savepath, prev_image))
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frm = cv2.resize(frm, (project_settings['screen_w'], project_settings['screen_h']))
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# Imge does not exist, load blank image
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else:
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frm = blank_image
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return frm
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def return_next_frame_number(last_frame_name):
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prefix, filecount, ext = last_frame_name
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filename = '.{:04d}.'.format(int(filecount)+1)
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return prefix + filename + ext
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def update_image(img_list, img_index):
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if len(img_list) == 0:
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return 0
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img_filename = img_list[img_index]
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if os.path.exists( os.path.expanduser(os.path.join(savepath, img_filename))):
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img = cv2.imread(os.path.join(savepath, img_filename))
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img = cv2.resize(img, (project_settings['screen_w'], project_settings['screen_h']))
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else:
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img = blank_image
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return img
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def next_frame(img_index, loop=True):
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img_index = check_range(img_index+1, loop)
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return img_index, update_image(img_list, img_index)
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def previous_frame(img_index):
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img_index = check_range(img_index-1)
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return img_index, update_image(img_list, img_index)
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def last_frame(img_index):
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img_index = len(img_list)-1
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return img_index, update_image(img_list, img_index)
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def first_frame(img_index):
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img_index = 0
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return img_index, update_image(img_list, img_index)
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def clean_img_list(folder_path):
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# Check file in dict exists, else remove it
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file_list = os.listdir(folder_path)
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# Iterate over copy of dict to avoid OOR error
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img_list_copy = img_list
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for file in img_list_copy:
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if file not in file_list:
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img_list.remove(file)
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def check_range(x, loop=True):
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if x < 0:
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if loop:
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return len(img_list)-1
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else:
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return 0
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elif x >= len(img_list)-1:
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if loop:
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return 0
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else:
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return len(img_list)-1
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else:
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return x
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def batch_rename(folder:str):
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# initialize counter to 0
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frame_list = get_frames_list(folder)
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counter = (".%04i." % x for x in count(0))
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for i in frame_list:
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if os.path.exists(os.path.join(folder, i)):
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os.rename(os.path.join(folder, i), os.path.join(folder, "{}{}{}".format(project_letter, next(counter), project_settings['file_extension'])))
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else:
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print(_("{} does not exist").format(str(i)))
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return get_frames_list(folder)
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def offset_dictvalues(from_index=0):
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dict_copy = dict(img_list)
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for i in range(from_index, len(dict_copy)):
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if i < len(img_list)-1:
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img_list[list(img_list.keys())[i]] = list(img_list.values())[i+1]
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else:
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img_list[list(img_list.keys())[i]] = None
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def remove_frame(img_list, img_index):
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if len(img_list):
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folder_path = os.path.realpath(savepath)
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frame_name = img_list[img_index]
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# ~ frame_path = os.path.realpath(frame_name)
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frame_path = os.path.join(folder_path, frame_name)
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if not os.path.exists(frame_path):
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return img_list, img_index, blank_image
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print(_("Removing {}").format(frame_path))
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# trash file
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send2trash(frame_path)
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# remove entry from dict
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img_list.remove(frame_name)
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# rename files and get new list
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img_list = batch_rename(folder_path)
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clean_img_list(folder_path)
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# update index if possible
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img_index = check_range(img_index, False)
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# update display
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return img_list, img_index, update_image(img_list, img_index)
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else:
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return img_list, 0, blank_image
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def testDevice(source):
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cap = cv2.VideoCapture(source)
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if cap is None or not cap.isOpened():
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print(_("Warning: unable to open video source: {}").format(source))
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return False
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cap.release()
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return True
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def signal_handler(sig, frame):
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global ctrlc_pressed
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ctrlc_pressed = True
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def parse_export_options(options:str, vflip:int=0, hflip:int=0):
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if vflip:
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options += ',vflip'
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if hflip:
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options += ',hflip'
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return options
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def export_animation(input_filename, export_filename):
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input_format, framerate = input_options
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if project_settings['ffmpeg_path'] is None:
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return False
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ffmpeg_process = subprocess.Popen([
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project_settings['ffmpeg_path'],
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'-v','quiet',
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'-y',
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'-f', input_format,
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'-r', framerate,
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'-i', input_filename,
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'-vf', output_options,
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export_filename,
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])
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return ffmpeg_process
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def main(args):
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global onionskin, playback, loop_playback, playhead, index, img_list, first_playback, camera_current_settings
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if not testDevice(0):
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print(_("No camera device found. Exiting..."))
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return 1
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cam = cv2.VideoCapture(0)
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cam.set(cv2.CAP_PROP_FRAME_WIDTH, camera_settings['cam_w'])
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cam.set(cv2.CAP_PROP_FRAME_HEIGHT, camera_settings['cam_h'])
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frame = get_onionskin_frame(savepath, index)
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if project_settings['cam_is_showmewebcam']:
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# Apply config camera settings
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camera_current_settings = apply_cam_setting(camera_current_settings)
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time.sleep(.5)
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loop_delta = 0
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while True:
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start = timer()
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if playback:
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if onionskin:
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onionskin = False
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onionskin_was_on = True
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if first_playback:
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playhead = 0
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first_playback = False
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# Play all frames
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if playhead < len(img_list)-1:
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playhead, img = next_frame(playhead, loop_playback)
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cv2.imshow("StopiCV", img)
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# Calculate framerate according to loop execution time
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frame_interval = 1.0/project_settings['framerate']-loop_delta
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if frame_interval < 0:
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frame_interval = 0
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time.sleep(frame_interval)
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else:
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playhead = index
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img = update_image(img_list, index)
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first_playback = True
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playback = False
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# Restore onionskin
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if 'onionskin_was_on' in locals():
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onionskin = True
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loop_playback = False
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if onionskin:
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ret, overlay = cam.read()
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og_frame = overlay.copy()
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# Resize preview
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overlay = cv2.resize(overlay, (project_settings['screen_w'], project_settings['screen_h']))
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# Apply onionskin
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alpha = project_settings['onionskin_alpha_default']
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beta = (1.0 - alpha)
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overlay = cv2.addWeighted(frame, alpha, overlay, beta, 0)
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if not ret:
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print(_("Failed to grab frame."))
|
|
break
|
|
cv2.imshow("StopiCV", overlay)
|
|
|
|
if not playback and not onionskin:
|
|
cv2.imshow("StopiCV", frame)
|
|
|
|
k = cv2.waitKey(1)
|
|
# Key o
|
|
if (k%256 == 111) or (k%256 == 47):
|
|
# Toggle onionskin
|
|
onionskin = not onionskin
|
|
# Key w - cycle wb
|
|
if (k%256 == 119):
|
|
camera_current_settings = apply_cam_setting(camera_current_settings, ['white_balance_auto_preset'])
|
|
# Key x - cycle exposure
|
|
if (k%256 == 120):
|
|
camera_current_settings = apply_cam_setting(camera_current_settings, ['auto_exposure'])
|
|
# Key f - flip image
|
|
if (k%256 == 102):
|
|
camera_current_settings = apply_cam_setting(camera_current_settings, ['vertical_flip','horizontal_flip'])
|
|
# Key up
|
|
elif (k%256 == 82) or (k%256 == 56):
|
|
if len(img_list):
|
|
if playback:
|
|
playback = False
|
|
index, frame = last_frame(index)
|
|
# Key down
|
|
elif (k%256 == 84) or (k%256 == 50):
|
|
if len(img_list):
|
|
if playback:
|
|
playback = False
|
|
index, frame = first_frame(index)
|
|
# Key left
|
|
elif (k%256 == 81) or (k%256 == 52):
|
|
# Displau previous frame
|
|
if len(img_list):
|
|
if playback:
|
|
playback = False
|
|
index, frame = previous_frame(index)
|
|
# Key right
|
|
elif (k%256 == 83) or (k%256 == 54):
|
|
# Displau next frame
|
|
if len(img_list):
|
|
if playback:
|
|
playback = False
|
|
index, frame = next_frame(index)
|
|
# Key r / keypad 9 - reset wb,exp
|
|
elif (k%256 == 114) or (k%256 == 57):
|
|
print(_("Reset camera settings"))
|
|
camera_current_settings = apply_cam_setting(camera_current_settings)
|
|
# ~ reset_wb_exp()
|
|
# Key e / keypad *
|
|
elif (k%256 == 101) or (k%256 == 42):
|
|
print(_("Export"))
|
|
ffmpeg_process = export_animation(input_filename, export_filename)
|
|
# Key Return
|
|
elif (k%256 == 13):
|
|
print(_("Playback"))
|
|
playhead = index
|
|
loop_playback = True
|
|
playback = not playback
|
|
# Key remove frame - backspace, del, numpad_minus
|
|
elif (k%256 == 8) or (k%256 == 45) or (k == 255):
|
|
# Remove frame
|
|
print(_("Remove frame"))
|
|
img_list, index, frame = remove_frame(img_list, index)
|
|
# Quit app
|
|
elif k%256 == 27:
|
|
# ESC pressed
|
|
print(_("Escape hit, exiting..."))
|
|
break
|
|
elif ctrlc_pressed:
|
|
print(_("Ctrl-C hit, exiting..."))
|
|
break
|
|
elif cv2.getWindowProperty("StopiCV", cv2.WND_PROP_VISIBLE) < 1:
|
|
print(_("Window was closed, exiting..."))
|
|
break
|
|
# Take pic
|
|
# SPACE or numpad 0 pressed
|
|
elif (k%256 == 32) or (k%256 == 48):
|
|
img_name = return_next_frame_number(get_last_frame(savepath))
|
|
img_path = os.path.join(savepath, img_name)
|
|
cv2.imwrite(img_path, og_frame)
|
|
print(_("File {} written.").format(img_path))
|
|
if len(img_list) and (img_list[index] == '{letter}.-001.{ext}'.format(letter=project_letter, ext=project_settings['file_extension'])):
|
|
img_list[index] = img_name
|
|
else:
|
|
index += 1
|
|
frame = get_onionskin_frame(savepath, index)
|
|
# REMOVE : Debug print keycode
|
|
elif k==-1: # normally -1 returned,so don't print it
|
|
continue
|
|
else:
|
|
print(k) # else print its value
|
|
end = timer()
|
|
loop_delta = end - start
|
|
|
|
if 'ffmpeg_process' in locals():
|
|
if ffmpeg_process.poll() is None:
|
|
print(_("Ffmpeg is still running.\n Waiting for task to complete."))
|
|
msg = generate_text_image(_("Ffmpeg is still running.\n Waiting for task to complete."),
|
|
project_settings['screen_w'], project_settings['screen_h']
|
|
)
|
|
cv2.imshow("StopiCV", msg)
|
|
# Force window refresh
|
|
cv2.pollKey()
|
|
try:
|
|
ffmpeg_process.wait(timeout=20)
|
|
except:
|
|
print(_("Terminating running process..."))
|
|
ffmpeg_process.terminate()
|
|
cam.release()
|
|
cv2.destroyAllWindows()
|
|
|
|
cv2.namedWindow("StopiCV", cv2.WINDOW_GUI_NORMAL)
|
|
cv2.setWindowProperty("StopiCV", cv2.WND_PROP_OPENGL, cv2.WINDOW_OPENGL)
|
|
cv2.setWindowProperty("StopiCV", cv2.WND_PROP_FULLSCREEN, cv2.WINDOW_FULLSCREEN)
|
|
cv2.setWindowProperty("StopiCV", cv2.WND_PROP_ASPECT_RATIO, cv2.WINDOW_KEEPRATIO)
|
|
|
|
ctrlc_pressed = False
|
|
projects_folder = project_settings['projects_folder']
|
|
next_letter = 'Z'
|
|
img_list = []
|
|
savepath = get_session_folder()
|
|
onionskin = project_settings['onion_skin_onstartup']
|
|
playback = False
|
|
first_playback = True
|
|
playhead = 0
|
|
loop_playback = True
|
|
blank_image = generate_text_image(_("No images yet! Start shooting..."), project_settings['screen_w'], project_settings['screen_h'])
|
|
|
|
if len(savepath):
|
|
project_letter = savepath.split(os.sep)[-1]
|
|
else:
|
|
project_letter = 'A'
|
|
img_list = get_frames_list(savepath)
|
|
index = len(img_list)-1
|
|
|
|
# Export settings
|
|
input_filename = "{folder}{sep}{letter}.%04d.{ext}".format(folder=savepath, sep=os.sep, letter=project_letter, ext=project_settings['file_extension'])
|
|
input_options = ["image2", str(project_settings['framerate'])]
|
|
# ~ output_filename = "{folder}{sep}{filename}.mp4".format(folder=projects_folder, sep=os.sep, filename=savepath.split(os.sep)[-1])
|
|
output_filename = "{filename}.mp4".format(filename=project_letter)
|
|
output_options = project_settings['export_options']
|
|
|
|
export_filename = os.path.join(savepath, output_filename)
|
|
|
|
if __name__ == '__main__':
|
|
signal.signal(signal.SIGINT, signal_handler)
|
|
sys.exit(main(sys.argv[1:]))
|