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Delete transparent_process.py
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transparent_process.py
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'''
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python transparent_process.py Star_Rail_Tribbie_MMD_Videos_30s_Green Star_Rail_Tribbie_MMD_Videos_30s_Transparent --max_workers=10
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'''
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import os
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import sys
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import argparse
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from moviepy.editor import VideoFileClip, ImageSequenceClip
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from PIL import Image
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import numpy as np
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from concurrent.futures import ThreadPoolExecutor
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def green_to_transparent(frame):
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"""
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将绿色背景转化为透明背景
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"""
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try:
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pil_image = Image.fromarray(frame)
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# 将图像转换为RGBA模式
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pil_image = pil_image.convert("RGBA")
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# 获取图像的像素数据
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data = pil_image.getdata()
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# 创建一个新的像素列表
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new_data = []
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for item in data:
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# 判断是否为绿色(这里使用简单的RGB范围判断)
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if item[0] < 100 and item[1] > 200 and item[2] < 100:
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# 将绿色像素设置为透明
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new_data.append((item[0], item[1], item[2], 0))
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else:
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# 保留其他像素
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new_data.append(item)
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# 更新图像的像素数据
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pil_image.putdata(new_data)
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return np.array(pil_image)
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except Exception as e:
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print(f"Error processing frame: {e}")
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return frame
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def process_video(video_path, output_path, max_workers=10):
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"""
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处理视频,将绿色背景转化为透明背景(多线程版本)
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"""
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try:
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video = VideoFileClip(video_path)
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fps = video.fps
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audio = video.audio
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frames = list(video.iter_frames(fps=fps))
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processed_frames = []
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# 使用线程池处理帧
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with ThreadPoolExecutor(max_workers=max_workers) as executor:
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futures = [executor.submit(green_to_transparent, frame) for frame in frames]
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for future in futures:
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processed_frame = future.result()
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processed_frames.append(processed_frame)
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# 将处理后的帧保存为视频
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processed_video = ImageSequenceClip(processed_frames, fps=fps)
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processed_video = processed_video.with_audio(audio)
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processed_video.write_videofile(output_path, codec="png") # 使用PNG编码支持透明度
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print(f"Video saved to {output_path}")
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except Exception as e:
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print(f"Error processing video {video_path}: {e}")
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def main(input_folder, output_folder, max_workers=10):
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"""
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遍历输入文件夹中的所有视频,处理并保存到输出文件夹(多线程版本)
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"""
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if not os.path.exists(output_folder):
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os.makedirs(output_folder)
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for video_file in os.listdir(input_folder):
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if video_file.endswith((".mp4", ".avi", ".mov")):
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video_path = os.path.join(input_folder, video_file)
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output_path = os.path.join(output_folder, video_file)
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print(f"Processing {video_path}...")
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process_video(video_path, output_path, max_workers)
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print(f"Finished processing {video_path}")
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(description="Convert green background to transparent in videos.")
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parser.add_argument("input_folder", type=str, help="Path to the folder containing input videos.")
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parser.add_argument("output_folder", type=str, help="Path to the folder where processed videos will be saved.")
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parser.add_argument("--max_workers", type=int, default=10, help="Number of workers for parallel processing.")
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args = parser.parse_args()
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main(args.input_folder, args.output_folder, args.max_workers)
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