# -*- coding:utf-8 -*-
# coding:utf-8
import os, cv2, subprocess, shutil
from cv2 import VideoWriter, VideoWriter_fourcc, imread, resize
from PIL import Image, ImageFont, ImageDraw
ffmpeg = r'F:ffmpeg-20190312-d227ed5-win64-staticinffmpeg.exe'
code_color = (169,169,169) # 颜色RGB 默认灰色 ，'' 则彩色
# 像素对应ascii码
#ascii_char = list("$@B%8&WM#*oahkbdpqwmZO0QLCJUYXzcvunxrjft/|()1{}[]?-_+~<>i!lI;:oa+>!:+. ")
#ascii_char = ['.',',',':',';','+','*','?','%','S','#','@'][::-1]
ascii_char = list("MNHQ$OC67+>!:-. ")
# ascii_char = list(". ")
# 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 += ' '
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] == ' '):
x += font_h
y = -font_w
# self, xy, text, fill = None, font = None, anchor = None,
# *args, ** kwargs
if code_color:
dr.text((y, x), txt[i], fill=code_color) # fill=colors[i]彩色
else:
dr.text((y, x), txt[i], fill=colors[i]) # fill=colors[i]彩色
# 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, 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()
# 调用ffmpeg获取mp3音频文件
def video2mp3(file_name, outfile_name):
cmdstr = " -i {0} -f mp3 {1} -y".format(file_name, outfile_name)
cmd(cmdstr)
# 合成音频和视频文件
def video_add_mp3(file_name, mp3_file,outfile_name):
cmdstr = " -i {0} -i {1} -strict -2 -f mp4 {2} -y".format(file_name, mp3_file, outfile_name)
cmd(cmdstr)
# 视频截取
def vediocut(file_name, outfile_name, start, end):
cmdstr = " -i {0} -vcodec copy -acodec copy -ss {1} -to {2} {3} -y".format(file_name,start,end,outfile_name)
cmd(cmdstr)
# 执行脚本命令
def cmd(cmdstr):
cmdstr = ffmpeg + cmdstr
response = subprocess.call(cmdstr, shell=True, creationflags=0x08000000)
if response == 1:
print("ffmpeg脚本执行失败,请尝试手动执行:{0}".format(cmdstr))
# 主函数
def main(vedio, save=False, iscut=False, start='00:00:00', end='00:00:14'):
"""
:param vedio: 原视频文件地址
:param save: 是否保存临时文件 默认不保存
:param iscut: 是否先对原视频做截取处理 默认不截取
:param start: 视频截取开始时间点 仅当iscut=True时有效
:param end: 视频截取结束时间点 仅当iscut=True时有效
:return: 输出目标视频文件 vedio.split('.')[0] + '-code.mp4'
"""
file_cut = vedio.split('.')[0] + '_cut.mp4'
file_mp3 = vedio.split('.')[0] + '.mp3'
file_temp_avi = vedio.split('.')[0] + '_temp.avi'
outfile_name = vedio.split('.')[0] + '-code.mp4'
print("开始生成...")
if iscut:
print("正在截取视频...")
vediocut(vedio, file_cut, start, end)
vedio = file_cut
print("正在转换代码图片...")
vc = video2txt_jpg(vedio) # 视频转图片，图片转代码图片
FPS = vc.get(cv2.CAP_PROP_FPS) # 获取帧率
vc.release()
print("正在分离音频...")
video2mp3(vedio, file_mp3) # 从原视频分离出 音频mp3
print("正在转换代码视频...")
jpg2video(file_temp_avi, FPS) #代码图片转视频
print("正在合成目标视频...")
video_add_mp3(file_temp_avi, file_mp3, outfile_name) # 将音频合成到代码视频
if (not save): # 移除临时文件
print("正在移除临时文件...")
shutil.rmtree("Cache")
for file in [file_cut, file_mp3, file_temp_avi]:
if os.path.exists(file):
os.remove(file)
print("生成成功：{0}".format(outfile_name))
if __name__ == '__main__':
vedio = r"test.mp4"
main(vedio, save=False, iscut=False, start='00:00:00', end='00:00:14')
# -*- coding:utf-8 -*-# coding:utf-8import os, cv2, subprocess, shutilfrom cv2 import VideoWriter, VideoWriter_fourcc, imread, resizefrom PIL import Image, ImageFont, ImageDraw
ffmpeg = r'F:ffmpeg-20190312-d227ed5-win64-staticinffmpeg.exe'code_color = (169,169,169) # 颜色RGB 默认灰色 ，'' 则彩色
# 像素对应ascii码#ascii_char = list("$@B%8&WM#*oahkbdpqwmZO0QLCJUYXzcvunxrjft/|()1{}[]?-_+~<>i!lI;:oa+>!:+. ")#ascii_char = ['.',',',':',';','+','*','?','%','S','#','@'][::-1]#ascii_char = list("MNHQ$OC67+>!:-. ")ascii_char = list(". ")
# 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 += '
' 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] == '
'): x += font_h y = -font_w # self, xy, text, fill = None, font = None, anchor = None, # *args, ** kwargs if code_color: dr.text((y, x), txt[i], fill=code_color) # fill=colors[i]彩色 else: dr.text((y, x), txt[i], fill=colors[i]) # fill=colors[i]彩色 # 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, 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()
# 调用ffmpeg获取mp3音频文件def video2mp3(file_name, outfile_name): cmdstr = " -i {0} -f mp3 {1} -y".format(file_name, outfile_name) cmd(cmdstr)
# 合成音频和视频文件def video_add_mp3(file_name, mp3_file,outfile_name): cmdstr = " -i {0} -i {1} -strict -2 -f mp4 {2} -y".format(file_name, mp3_file, outfile_name) cmd(cmdstr)
# 视频截取def vediocut(file_name, outfile_name, start, end): cmdstr = " -i {0} -vcodec copy -acodec copy -ss {1} -to {2} {3} -y".format(file_name,start,end,outfile_name) cmd(cmdstr)
# 执行脚本命令def cmd(cmdstr): cmdstr = ffmpeg + cmdstr response = subprocess.call(cmdstr, shell=True, creationflags=0x08000000) if response == 1: print("ffmpeg脚本执行失败,请尝试手动执行:{0}".format(cmdstr))
# 主函数def main(vedio, save=False, iscut=False, start='00:00:00', end='00:00:14'): """ :param vedio: 原视频文件地址 :param save: 是否保存临时文件 默认不保存 :param iscut: 是否先对原视频做截取处理 默认不截取 :param start: 视频截取开始时间点 仅当iscut=True时有效 :param end: 视频截取结束时间点 仅当iscut=True时有效 :return: 输出目标视频文件 vedio.split('.')[0] + '-code.mp4' """ file_cut = vedio.split('.')[0] + '_cut.mp4' file_mp3 = vedio.split('.')[0] + '.mp3' file_temp_avi = vedio.split('.')[0] + '_temp.avi' outfile_name = vedio.split('.')[0] + '-code.mp4' print("开始生成...") if iscut: print("正在截取视频...") vediocut(vedio, file_cut, start, end) vedio = file_cut print("正在转换代码图片...") vc = video2txt_jpg(vedio) # 视频转图片，图片转代码图片 FPS = vc.get(cv2.CAP_PROP_FPS) # 获取帧率 vc.release() print("正在分离音频...") video2mp3(vedio, file_mp3) # 从原视频分离出 音频mp3 print("正在转换代码视频...") jpg2video(file_temp_avi, FPS) #代码图片转视频 print("正在合成目标视频...") video_add_mp3(file_temp_avi, file_mp3, outfile_name) # 将音频合成到代码视频 if (not save): # 移除临时文件 print("正在移除临时文件...") shutil.rmtree("Cache") for file in [file_cut, file_mp3, file_temp_avi]: if os.path.exists(file): os.remove(file) print("生成成功：{0}".format(outfile_name))
if __name__ == '__main__': vedio = r"test.mp4" main(vedio, save=False, iscut=False, start='00:00:00', end='00:00:14')