代码2

最后更新于:2022-04-02 01:47:33

- 视频转化: https://cloudconvert.com/avi-to-mp4 ~~~ import os import cv2 from cv2 import VideoWriter, VideoWriter_fourcc, imread, resize from PIL import Image, ImageFont, ImageDraw # 图片填充的字符 #ascii_char = list("#ABCDEFGHIJKLMNOPQRSTUVWXYZ@$%??__ff--++~~'' ::.. `` ") ascii_char = list("MNHQ$OC67+>!:-. ") # 将像素转换为ascii码 def get_char(r, g, b, alpha=256): if alpha == 0: return '' length = len(ascii_char) gray = int(0.2126 * r + 0.7152 * g + 0.0722 * b) unit = (256.0 + 1) / length return ascii_char[int(gray / unit)] # 将txt转换为图片 def txt2image(file_name): im = Image.open(file_name).convert('RGB') # gif拆分后的图像,需要转换,否则报错,由于gif分割后保存的是索引颜色 raw_width = im.width raw_height = im.height width = int(raw_width / 6) height = int(raw_height / 15) im = im.resize((width, height), Image.NEAREST) txt = "" colors = [] for i in range(height): for j in range(width): # 获取当前位置的三原色 pixel = im.getpixel((j, i)) # 字符上颜色 #colors.append((pixel[0], pixel[1], pixel[2])) # 字符上黑色 colors.append((0, 0, 0)) if len(pixel) == 4: txt += get_char(pixel[0], pixel[1], pixel[2], pixel[3]) else: txt += get_char(pixel[0], pixel[1], pixel[2]) txt += '\n' colors.append((255, 255, 255)) im_txt = Image.new("RGB", (raw_width, raw_height), (255, 255, 255)) dr = ImageDraw.Draw(im_txt) # font = ImageFont.truetype(os.path.join("fonts","汉仪楷体简.ttf"),18) font = ImageFont.load_default().font x = y = 0 # 获取字体的宽高 font_w, font_h = font.getsize(txt[1]) font_h *= 1.37 # 调整后更佳 # ImageDraw为每个ascii码进行上色 for i in range(len(txt)): if txt[i] == '\n': x += font_h y = -font_w dr.text((y, x), txt[i], fill=colors[i]) y += font_w name = file_name im_txt.save(name) # 将视频拆分成图片 def video2txt_jpg(file_name): vc = cv2.VideoCapture(file_name) c = 1 if vc.isOpened(): r, frame = vc.read() if not os.path.exists('Cache'): os.mkdir('Cache') os.chdir('Cache') else: r = False while r: # 生成拆分的图片 cv2.imwrite(str(c) + '.jpg', frame) # 将图片转换为ascii图 txt2image(str(c) + '.jpg') r, frame = vc.read() c += 1 os.chdir('..') return vc # 将图片合成视频 def jpg2video(outfile_name, fps): fourcc = VideoWriter_fourcc(*"MJPG") images = os.listdir('Cache') im = Image.open('Cache/' + images[0]) vw = cv2.VideoWriter(outfile_name + '.avi', fourcc, fps, im.size) os.chdir('Cache') for image in range(len(images)): frame = cv2.imread(str(image + 1) + '.jpg') vw.write(frame) os.chdir('..') vw.release() # 递归删除目录 def remove_dir(path): if os.path.exists(path): if os.path.isdir(path): dirs = os.listdir(path) for d in dirs: if os.path.isdir(path + '/' + d): remove_dir(path + '/' + d) elif os.path.isfile(path + '/' + d): os.remove(path + '/' + d) os.rmdir(path) return elif os.path.isfile(path): os.remove(path) return if __name__ == '__main__': # 输入视频路径 INPUT = r"D:\video\demo2.mp4" # 将视频拆分成图片, 将图片转像素, vc = video2txt_jpg(INPUT) # 将像素图片合成视频 jpg2video(INPUT.split('.')[0], vc.get(cv2.CAP_PROP_FPS)) # 移出拆分出来的图片 remove_dir("Cache") ~~~
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