/
nadir-patcher.py
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/
nadir-patcher.py
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# -*- coding: utf-8 -*-
# -------------------------------------------------------------------------------
# Author: hq@trekview.org
# Created: 2020-06-02
# Copyright: Trek View
# Licence: GNU AGPLv3
# -------------------------------------------------------------------------------
import subprocess
import shlex
import os
import shutil
import sys
import platform
#Global Variables for temp folder and files that will be automatically deleted when process complete.
temp_folder_name_s="nadir_patcher_temp_s"
temp_folder_name_d="nadir_patcher_temp_d"
temp_output1=""
temp_output2=""
temp_output3=""
temp_output4=""
temp_output5=""
def main(argv):
file_list=[]
firt_img_s_h=""
#Create nadir_patcher_temp folder
if not os.path.exists(temp_folder_name_s):
os.makedirs(temp_folder_name_s)
if not os.path.exists(temp_folder_name_d):
os.makedirs(temp_folder_name_d)
#get parameter values from command line arguments
main_file_dir = sys.argv[1]
overlay_file = sys.argv[2]
nadir_percentage = float(int(sys.argv[3])/100)
#Check operating system
if platform.system() =="Linux":
print("Linux")
os_path_set="/"
elif platform.system() =="Windows":
os_path_set="\\"
else:
os_path_set="/"
#Check input path is file or directory
check_file_dir=os.path.isdir(main_file_dir)
print(check_file_dir)
if check_file_dir:
#process one by one image or video from directory
print('staring...')
for r, d, f in os.walk(main_file_dir):
for file in f:
file_path = os.path.join(r, file)
file_list.append(file_path)
flag=False
first_s=get_res(file_list[0])
for file_p in file_list:
get_rs=get_res(file_p)
if (get_rs!=first_s):
flag=True
break
if flag:
text = input ("All Resolution is not the same, But Do you want to Continue(YES/NO: ")
if (text.upper()=="YES"):
res=get_resolution(file_list[0])
overlay_pos=overlay_p(res[1],nadir_percentage)
main_process(file_list[0],overlay_file,nadir_percentage,os_path_set,temp_folder_name_s)
for file_path in file_list:
res_temp=get_resolution(file_path)
if(res_temp[1]==res[1]):
main_process1(file_path,overlay_file,os_path_set,overlay_pos,temp_folder_name_s)
else:
main_process(file_path,overlay_file,nadir_percentage,os_path_set,temp_folder_name_d)
shutil.rmtree(temp_folder_name_s)
shutil.rmtree(temp_folder_name_d)
else:
print("Please use all same resolutional images")
shutil.rmtree(temp_folder_name_s)
shutil.rmtree(temp_folder_name_d)
else:
res=get_resolution(file_list[0])
overlay_pos=overlay_p(res[1],nadir_percentage)
main_process(file_list[0],overlay_file,nadir_percentage,os_path_set,temp_folder_name_s)
for file_path in file_list:
res_temp=get_resolution(file_path)
main_process1(file_path,overlay_file,os_path_set,overlay_pos,temp_folder_name_s)
shutil.rmtree(temp_folder_name_s)
shutil.rmtree(temp_folder_name_d)
else:
print('staring...')
#Process image or video from file path
main_process(main_file_dir,overlay_file,nadir_percentage,os_path_set,temp_folder_name_s)
shutil.rmtree(temp_folder_name_s)
shutil.rmtree(temp_folder_name_d)
print('Done Successfully')
def main_process(main_file_dir,overlay_file,nadir_percentage,os_path_set,temp_folder_name):
input_file_name=(os.path.splitext(os.path.basename(main_file_dir))[0])
input_path_name, input_file_extension = os.path.splitext(main_file_dir)
nadir_file_name=(os.path.splitext(os.path.basename(overlay_file))[0])
nadir_path_name, nadir_file_extension = os.path.splitext(overlay_file)
output_file=input_file_name+"_"+nadir_file_name+"_"+str(sys.argv[3])+"pc"+input_file_extension
output_directory = sys.argv[4]
if not os.path.exists(output_directory):
os.makedirs(output_directory)
output_file=output_directory+os_path_set+output_file
temp_output1=temp_folder_name+os_path_set+"temp_result1"+nadir_file_extension
temp_output2=temp_folder_name+os_path_set+"temp_result2"+nadir_file_extension
temp_output3=temp_folder_name+os_path_set+"temp_result3"+nadir_file_extension
temp_output4=temp_folder_name+os_path_set+"temp_result4"+nadir_file_extension
temp_output5=temp_folder_name+os_path_set+"temp_result5"+nadir_file_extension
#Rotate nadir file 180 degrees and strip any metadata (https://imagemagick.org/script/command-line-options.php#rotate
# https://imagemagick.org/script/command-line-options.php#strip)
comd1="magick "+"\""+overlay_file+"\""+" -rotate 180 -strip {}".format(temp_output1)
subprocess.call(comd1,shell=True)
print('process 1 done')
#Turn nadir file into equirectangular projection (https://imagemagick.org/script/command-line-options.php#distort)
comd2="magick "+"\""+temp_output1+"\""+" -distort DePolar 0 "+temp_output2
subprocess.call(comd2,shell=True)
print('process 2 done')
#Flip nadir file vertically (https://imagemagick.org/script/command-line-options.php#flip)
comd3="magick "+"\""+temp_output2+"\""+" -flip "+temp_output3
subprocess.call(comd3,shell=True)
print('process 3 done')
#Flip nadir file horizontally (https://imagemagick.org/script/command-line-options.php#flop)
comd4="magick "+"\""+temp_output3+"\""+" -flop "+temp_output4
subprocess.call(comd4,shell=True)
print('process 4 done')
res=get_resolution(main_file_dir)
overlay_position=overlay_p(res[1],nadir_percentage)
overlay_scale=overlay_scale_cal(res[1],res[0],nadir_percentage)
comd5 ="ffmpeg -y -i {} -vf scale={} {}".format(temp_output4,overlay_scale,temp_output5)
subprocess.call(comd5,shell=True)
print('process 5 done')
img_video_process(main_file_dir,temp_output5,output_file,overlay_position)
print('process done')
def main_process1(main_file_dir,overlay_file,os_path_set,overlay_position,temp_folder_name):
input_file_name=(os.path.splitext(os.path.basename(main_file_dir))[0])
input_path_name, input_file_extension = os.path.splitext(main_file_dir)
nadir_file_name=(os.path.splitext(os.path.basename(overlay_file))[0])
nadir_file_extension = os.path.splitext(overlay_file)[1]
output_file=input_file_name+"_"+nadir_file_name+"_"+str(sys.argv[3])+"pc"+input_file_extension
output_directory = sys.argv[4]
if not os.path.exists(output_directory):
os.makedirs(output_directory)
output_file=output_directory+os_path_set+output_file
temp_output5=temp_folder_name+os_path_set+"temp_result5"+nadir_file_extension
img_video_process(main_file_dir,temp_output5,output_file,overlay_position)
def get_resolution(main_file_dir):
w_h=[]
cmd = 'ffprobe -v error -select_streams v:0 -show_entries stream=width,height -of csv="s=x:p=0"'
args = shlex.split(cmd)
args.append(main_file_dir)
#Calculate the nadir dimensions for overlay
ffprobe_output = subprocess.check_output(args).decode('utf-8')
wh_values = ffprobe_output.split("x")
w_h.append(wh_values[0])
w_h.append(wh_values[1])
return w_h
def get_res(main_file_dir):
cmd = 'ffprobe -v error -select_streams v:0 -show_entries stream=width,height -of csv="s=x:p=0"'
args = shlex.split(cmd)
args.append(main_file_dir)
#Calculate the nadir dimensions for overlay
ffprobe_output = subprocess.check_output(args).decode('utf-8')
return ffprobe_output
def overlay_p(height_val,nadir_percentage):
height_float = float(height_val)
overlay_height_temp=int(float(height_float*nadir_percentage))
overlay_position=str(int(height_float)-overlay_height_temp)
return overlay_position
def overlay_scale_cal(height_val,width_val,nadir_percentage):
height_float = float(height_val)
overlay_height_temp=int(float(height_float*nadir_percentage))
overlay_height= str(overlay_height_temp)
overlay_scale ="{}:{}".format(width_val,overlay_height)
return overlay_scale
def img_video_process(main_file_dir,temp_output5,output_file,overlay_position):
if(main_file_dir.endswith(".MP4") or main_file_dir.endswith(".mp4")):
comd6="ffmpeg -y -i "+"\""+main_file_dir+"\""+" -i "+temp_output5+" -filter_complex \"[0:v][1:v]overlay=x=0:y=(main_h)-overlay_h\" "+"\""+output_file+"\""
subprocess.call(comd6,shell=True)
else:
comd6 ="magick "+"\""+main_file_dir+"\""+" "+temp_output5+" -geometry +0+"+overlay_position+" -composite "+"\""+output_file+"\""
subprocess.call(comd6,shell=True)
if __name__ == '__main__':
main(sys.argv[1:])