منشور بالعلم الأبيض ، أو كيف حفظت دورة الفيديو الخاصة بك من الظهور على المتعقب

#!/usr/bin/env python3 # -*- coding: utf-8 -*- # Usage: python3 fckInfoprotectorV2.py import os from shutil import rmtree import numpy as np import cv2 class VideoSigner: def __init__(self, video, watermark): os.makedirs('original') os.makedirs('watermarked') self.vidin = cv2.VideoCapture(video) self.fps = self.vidin.get(cv2.CAP_PROP_FPS) self.frame_size = ( int(self.vidin.get(cv2.CAP_PROP_FRAME_WIDTH)), int(self.vidin.get(cv2.CAP_PROP_FRAME_HEIGHT)) ) self.watermark = cv2.imread(watermark, cv2.IMREAD_UNCHANGED) self.wH, self.wW = self.watermark.shape[:2] B, G, R, A = cv2.split(self.watermark) B = cv2.bitwise_and(B, B, mask=A) G = cv2.bitwise_and(G, G, mask=A) R = cv2.bitwise_and(R, R, mask=A) self.watermark = cv2.merge([B, G, R, A]) def __del__(self): rmtree('original') rmtree('watermarked') def _split(self): print('[*] Splitting video by frames... ', end='', flush=True) (success, image), count = self.vidin.read(), 0 while success: path = os.path.join('original', f'{count}.jpg') cv2.imwrite(path, image) success, image = self.vidin.read() count += 1 print('Done') def _watermark(self): print('[*] Signing each frame... ', end='', flush=True) for image_name in sorted( os.listdir('original'), key=lambda x: int(x.split('.')[0]) ): image_path = os.path.join('original', image_name) image = cv2.imread(image_path) h, w = image.shape[:2] image = np.dstack([ image, np.ones((h, w), dtype='uint8') * 255 ]) overlay = np.zeros((h, w, 4), dtype='uint8') half_h_diff = (h - self.wH) // 2 half_w_diff = (w - self.wW) // 2 overlay[half_h_diff:half_h_diff + self.wH, half_w_diff:half_w_diff + self.wW] = self.watermark output = image.copy() cv2.addWeighted(overlay, 0.25, output, 1.0, 0, output) path = os.path.join('watermarked', image_name) cv2.imwrite(path, output) print('Done') def _merge(self): print('[*] Merging signed frames... ', end='', flush=True) self.vidout = cv2.VideoWriter( 'signed.avi', cv2.VideoWriter_fourcc(*'XVID'), fps=self.fps, frameSize=self.frame_size ) for image_name in sorted( os.listdir('watermarked'), key=lambda x: int(x.split('.')[0]) ): image_path = os.path.join('watermarked', image_name) image = cv2.imread(image_path) self.vidout.write(image) print('Done') def sign(self): self._split() self._watermark() self._merge() if __name__ == '__main__': signer = VideoSigner('SampleVideo_1280x720_1mb.mp4', 'watermark.png') signer.sign()