import sys
import cv2
import numpy as np
import os
import subprocess
import platform
from PyQt5.QtWidgets import QApplication, QWidget, QVBoxLayout, QPushButton, QFileDialog, QLabel
from PyQt5.QtCore import Qt
def apply_shading(image, alpha=1.0, beta=50):
shaded_image = cv2.convertScaleAbs(image, alpha=alpha, beta=beta)
return shaded_image
def create_video_with_shading(image_files, video_path, width, height, total_duration=10):
fps = 30
total_frames = int(total_duration * fps)
num_images = len(image_files)
frames_per_image = total_frames // num_images
transition_frames = frames_per_image // 2
video = cv2.VideoWriter(video_path, cv2.VideoWriter_fourcc(*'XVID'), fps, (width, height))
print(f"Total frames for the video: {total_frames}")
print(f"Frames per image (including transition): {frames_per_image}")
print(f"Transition frames between images: {transition_frames}")
total_written_frames = 0
for i in range(num_images - 1):
img1 = cv2.imread(image_files[i])
img2 = cv2.imread(image_files[i + 1])
if img1 is None:
print(f"Warning: Could not load image {image_files[i]}. Skipping this image.")
continue
if img2 is None:
print(f"Warning: Could not load image {image_files[i + 1]}. Skipping this image.")
continue
img1 = cv2.resize(img1, (width, height))
img2 = cv2.resize(img2, (width, height))
shaded_img1 = apply_shading(img1, alpha=1.2, beta=30)
shaded_img2 = apply_shading(img2, alpha=1.2, beta=30)
# 이미지 유지 프레임 (트랜지션 없이)
for _ in range(frames_per_image - transition_frames):
frame_with_text = add_frame_number(shaded_img1, total_written_frames)
video.write(frame_with_text)
total_written_frames += 1
# 트랜지션 프레임 (페이드 인/아웃 효과)
for alpha in np.linspace(0, 1, transition_frames):
blended = cv2.addWeighted(shaded_img1, 1 - alpha, shaded_img2, alpha, 0)
frame_with_text = add_frame_number(blended, total_written_frames)
video.write(frame_with_text)
total_written_frames += 1
# 마지막 이미지 처리
last_image = cv2.imread(image_files[-1])
if last_image is not None:
last_image = cv2.resize(last_image, (width, height))
shaded_last_image = apply_shading(last_image, alpha=1.2, beta=30)
# 마지막 이미지 유지 프레임
for _ in range(frames_per_image):
frame_with_text = add_frame_number(shaded_last_image, total_written_frames)
video.write(frame_with_text)
total_written_frames += 1
video.release()
print(f"Video saved to {os.path.abspath(video_path)}")
print(f"Total frames written: {total_written_frames}")
def add_frame_number(image, frame_number):
"""
이미지에 프레임 번호를 추가하는 함수.
"""
font = cv2.FONT_HERSHEY_SIMPLEX
text = f"Frame: {frame_number}"
font_scale = 1
color = (0, 255, 0)
thickness = 2
position = (50, 50)
# 이미지에 텍스트 추가
frame_with_text = cv2.putText(image.copy(), text, position, font, font_scale, color, thickness, cv2.LINE_AA)
return frame_with_text
def play_video(video_path):
try:
if platform.system() == "Windows":
os.startfile(video_path)
elif platform.system() == "Darwin":
subprocess.call(["open", video_path])
else:
subprocess.call(["xdg-open", video_path])
except Exception as e:
print(f"Failed to play the video: {e}")
class SatelliteMapVideoApp(QWidget):
def __init__(self):
super().__init__()
self.setWindowTitle("Satellite Map Video Generator")
self.setGeometry(100, 100, 800, 600)
layout = QVBoxLayout()
self.label = QLabel("Select images and create video", self)
self.label.setAlignment(Qt.AlignCenter)
layout.addWidget(self.label)
self.select_button = QPushButton("Select Images", self)
self.select_button.clicked.connect(self.select_images)
layout.addWidget(self.select_button)
self.create_button = QPushButton("Create Video", self)
self.create_button.clicked.connect(self.create_video)
layout.addWidget(self.create_button)
self.setLayout(layout)
self.images = []
def select_images(self):
files, _ = QFileDialog.getOpenFileNames(self, "Select Image Files", "", "Images (*.png *.jpg *.jpeg *.bmp)")
if files:
self.images = files
self.label.setText(f"{len(files)} images selected.")
def create_video(self):
if not self.images:
self.label.setText("No images selected.")
return
video_path, _ = QFileDialog.getSaveFileName(self, "Save Video As", "", "Video Files (*.avi)")
if not video_path:
self.label.setText("Video creation canceled.")
return
create_video_with_shading(self.images, video_path, 640, 480, total_duration=10)
self.label.setText(f"Video saved to {video_path}")
play_video(video_path)
def main():
app = QApplication(sys.argv)
window = SatelliteMapVideoApp()
window.show()
sys.exit(app.exec_())
if __name__ == "__main__":
main()
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