源代码

> Python 视频转代码视频 - 代码来源: https://blog.csdn.net/mp624183768/article/details/81161260 ``` # -*- coding:utf-8 -*- #coding:utf-8 import argparse import os import cv2 import subprocess from cv2 import VideoWriter, VideoWriter_fourcc, imread, resize from PIL import Image, ImageFont, ImageDraw # 命令行输入参数处理 # aparser = argparse.ArgumentParser() # aparser.add_argument('file') # aparser.add_argument('-o','--output') # aparser.add_argument('-f','--fps',type = float, default = 24)#帧 # aparser.add_argument('-s','--save',type = bool, nargs='?', default = False, const = True) # 是否保留Cache文件，默认不保存 # 获取参数 # args = parser.parse_args() # INPUT = args.file # OUTPUT = args.output # SAVE = args.save # FPS = args.fps # 像素对应ascii码 ascii_char = list("$@B%8&WM#*oahkbdpqwmZO0QLCJUYXzcvunxrjft/\|()1{}[]?-_+~<>i!lI;:oa+>!:+. ") # ascii_char = list("MNHQ$OC67+>!:-. ") # ascii_char = list("MNHQ$OC67)oa+>!:+. ") # 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): pixel = im.getpixel((j, i)) colors.append((pixel[0], pixel[1], pixel[2])) 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 # self, xy, text, fill = None, font = None, anchor = None, #*args, ** kwargs dr.text((y, x), txt[i], fill=colors[i]) #dr.text((y, x), txt[i], font=font, fill=colors[i]) y += font_w name = file_name #print(name + ' changed') 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: cv2.imwrite(str(c) + '.jpg', frame) txt2image(str(c) + '.jpg') # 同时转换为ascii图 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)): # Image.open(str(image)+'.jpg').convert("RGB").save(str(image)+'.jpg') frame = cv2.imread(str(image + 1) + '.jpg') vw.write(frame) #print(str(image + 1) + '.jpg' + ' finished') 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 # 调用ffmpeg获取mp3音频文件 def video2mp3(file_name): outfile_name = file_name.split('.')[0] + '.mp3' subprocess.call('ffmpeg -i ' + file_name + ' -f mp3 ' + outfile_name, shell=True) # 合成音频和视频文件 def video_add_mp3(file_name, mp3_file): outfile_name = file_name.split('.')[0] + '-txt.mp4' subprocess.call('ffmpeg -i ' + file_name + ' -i ' + mp3_file + ' -strict -2 -f mp4 ' + outfile_name, shell=True) if __name__ == '__main__': INPUT = r"G:\py\学习python\视频到代码\video39.mp4" OUTPUT = r"G:\py\学习python\视频到代码\video39_2.mp4" SAVE = r"G:\py\学习python\视频到代码\\video39_3" FPS = "24" vc = video2txt_jpg(INPUT) FPS = vc.get(cv2.CAP_PROP_FPS) # 获取帧率 print(FPS) vc.release() jpg2video(INPUT.split('.')[0], FPS) print(INPUT, INPUT.split('.')[0] + '.mp3') video2mp3(INPUT) video_add_mp3(INPUT.split('.')[0] + '.avi', INPUT.split('.')[0] + '.mp3') if (not SAVE): remove_dir("Cache") os.remove(INPUT.split('.')[0] + '.mp3') os.remove(INPUT.split('.')[0] + '.avi') ```