用Python字符串的方式看黑人抬棺，我的快乐就这么简单

Posted 2022-01-17 梦子mengy7762

单纯的我，总会有很多快乐

首先先看看成品：

不多说啥废话了，直接给代码吧：

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import cv2import subprocessfrom moviepy.editor import *from PIL import Image,ImageFont,ImageDrawimport osfrom cv2 import VideoWriter, VideoWriter_fourcc, imread, resizedef get_char(r,g,b,alpha = 256):    
ascii_char = list("#RMNHQODBWGPZ*@$C&98?32I1>!:-;. ")   
 if alpha == 0:        
return ''    
length = len(ascii_char)    
gray = int(0.2126 * r + 0.7152 * g + 0.0722 * b)    
unit = (256.0+1)/len(ascii_char)    
return ascii_char[int(gray/unit)]def video_to_pic(vp,video_path):    
number = 0    
if vp.isOpened():        
video = VideoFileClip(video_path)        
audio = video.audio        
audio.write_audiofile(video_path.split(".")[0]+".mp3")        
r,frame = vp.read()        
if not os.path.exists('cache_pic'):            
os.mkdir('cache_pic')        
os.chdir('cache_pic')    
else:        
r = False    
while r:        
number += 1        
cv2.imwrite(str(number)+'.jpg',frame)        
r,frame = vp.read()    
print('\\n由视频一共生成了张图片！'.format(number))    
os.chdir("..")    
return number, video_path.split(".")[0]+".mp3"def img_to_char(image_path,raw_width,raw_height,task):    
width = int(raw_width/ 6)    
height = int(raw_height / 15)    
im = Image.open(image_path).convert('RGB')
#必须以RGB模式打开    
im = im.resize((width,height),Image.NEAREST)    
txt = ''    color = []   
for i in range(height):        
for j in range(width):            
pixel = im.getpixel((j, i))            
color.append((pixel[0],pixel[1],pixel[2])) 
#将颜色加入进行索引            
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'        
color.append((255,255,255))    
im_txt = Image.new("RGB",(raw_width,raw_height),(255,255,255))    
dr = ImageDraw.Draw(im_txt)    
font = ImageFont.load_default().font    
x,y = 0,0    font_w,font_h=font.getsize(txt[1])    
font_h *= 1.37 
#调整字体大小    
for i in range(len(txt)):        
if(txt[i]=='\\n'):            
x += font_h            
y = -font_w        
dr.text((y,x),txt[i] ,fill = color[i])        
y+=font_w    
os.chdir('cache_char')   
 im_txt.save(str(task)+'.jpg')    
os.chdir("..")    
return 0def star_to_char(number,save_pic_path):    
if not os.path.exists('cache_char'):        
os.mkdir('cache_char')    
img_path_list = [save_pic_path + r'/.jpg'.format(i) for i in range(1,number+1)] 
#生成目标图片文件的路径列表    
task = 0    
for image_path in img_path_list:        
img_width , img_height = Image.open(image_path).size   
#获取图片的分辨率        
task += 1        
img_to_char(image_path, img_width , img_height, task)        
print('/ is finished.'.format(task,number))    print('=======================')    
print('All image was finished!')    
print('=======================')    
return 0def jpg_to_video(char_image_path,FPS):    video_fourcc=VideoWriter_fourcc(*"MP42")  
# 设置视频编码器,这里使用使用MP42编码器,可以生成更小的视频文件    char_img_path_list = [char_image_path + r'/.jpg'.format(i) for i in range(1,number+1)] 
#生成目标字符图片文件的路径列表    
char_img_test = Image.open(char_img_path_list[1]).size   
#获取图片的分辨率    
video_writter= VideoWriter('video/new_char_video.mp4' , video_fourcc , FPS , char_img_test)    
load = 'loading'    
count = 0 
#用来清空load进度条的计数    
for image_path in char_img_path_list:        
img = cv2.imread(image_path)        
video_writter.write(img)        
load = load + '.'        
count += 1        
if count % 50 == 0 :            
load = 'loading'            
print()        
print('\\r',load,end='')    
video_writter.release()    
print('\\n')    
print('=======================')    
print('The video is finished!')    
print('=======================')    
return 'video/new_char_video.mp4'def video_add_mp3(file_name, mp3_file):    outfile_name = file_name.split('.')[0] + '-finish.mp4'    
subprocess.call('ffmpeg -i ' + file_name                    + ' -i ' + mp3_file + ' -strict -2 -f mp4 '                    + outfile_name, shell=True)
if __name__ == '__main__':    video_path = 'video/video.mp4'    
save_pic_path = 'cache_pic'    
save_charpic_path = 'cache_char'    
vp = cv2.VideoCapture(video_path)    
number, mp3_file = video_to_pic(vp,video_path)    
FPS = vp.get(cv2.CAP_PROP_FPS)    
star_to_char(number , save_pic_path)    
vp.release()    
file_name = jpg_to_video(save_charpic_path,FPS)    
video_add_mp3(file_name, mp3_file)