def?mkdir_folder(file_path):
????"""
????創(chuàng)建一個文件夾，如果不存在就創(chuàng)建；否則不做處理
????:param?file_path:
????:return:
????"""
????if?os.path.exists(file_path):
????????return

????os.mkdir(file_path)

#?新建臨時文件夾和輸出文件夾
mkdir_folder(self.path_temp)
mkdir_folder(self.path_output)

self.video_raw_clip?=?VideoFileClip(file_path)

#?寬、高
self.video_width,?self.video_height?=?self.video_raw_clip.w,?self.video_raw_clip.h

#?幀率
self.fps?=?self.video_raw_clip.fps

#?視頻時長
self.during?=?self.video_raw_clip.duration

def?get_audio_from_video(video_raw_clip,?output_path):
????"""
????從視頻中提取音頻
????:param?video_raw_clip:?視頻Clip對象
????:param?output_path:?輸出音頻文件完整路徑
????:return:
????"""
????audio?=?video_raw_clip.audio
????audio.write_audiofile(output_path)

????return?output_path

i?=?1
for?frame?in?self.video_raw_clip.iter_frames():
?????image?=?Image.fromarray(frame)

?????#?視頻幀圖片保存的臨時路徑（完整路徑）
?????frame_file_complete_path?=?self.path_temp?+?"%04d.jpg"?%?i

?????i?+=?1

#?1、剪成9張圖片，計(jì)算每張圖片的寬、高
item_width?=?int(self.video_width?/?3)
item_height?=?int(self.video_height?/?3)

#?2、新的寬、高
item_width_new?=?self.video_width?+?self.item_space?*?2
item_height_new?=?self.video_height?+?self.item_space?*?2

#?3、重新建一個畫布背景
new_image?=?Image.new(image.mode,?(item_width_new,?item_height_new),
??????????????????????????????color='white')

#?4、裁剪圖片，然后粘貼到新的畫布中去
# i:橫向、j：縱向
for?i?in?range(0,?3):
???for?j?in?range(0,?3):
????????#?裁剪區(qū)域
????????box?=?(j?*?item_width,?i?*?item_height,?(j?+?1)?*?item_width,?(i?+?1)?*?item_height)

????????#?根據(jù)區(qū)域，裁剪圖片
????????crop_image?=?image.crop(box)

????????#?橫向、縱向第2塊和第3塊，要加上偏移距離
????????x?=?0?if?j?==?0?else?(item_width?+?self.item_space)?*?j
????????y?=?0?if?i?==?0?else?(item_height?+?self.item_space)?*?i

????????#?將9張圖片，按照上面計(jì)算的坐標(biāo)值，粘貼到背景中去
????????new_image.paste(crop_image,?(int(x),?int(y)))

????????#?保存圖片到本地
????????new_image.save(frame_file_complete_path)

def?pics_to_video(pics_path,?output_path,?fps):
????"""
????圖片轉(zhuǎn)為視頻
????pics_to_video('./../gif_temp/',?'./../video_temp/temp1.mp4',?20)
????:param?pics_path:
????:param?output_path:
????:return:
????"""
????image_paths?=?list(map(lambda?x:?pics_path?+?x,?os.listdir(pics_path)))

????#?注意：這里必須進(jìn)行一次排序，保證所有幀的順序是一致
????image_paths?=?sort_strings_with_emb_numbers(image_paths)

????#?過濾掉非圖片
????image_paths?=?list(filter(lambda?image_path:?image_path.endswith('.jpg'),?image_paths))

????#?圖片剪輯類
????clip?=?ImageSequenceClip(image_paths,
?????????????????????????????fps=fps)

????clip.write_videofile(output_path)

def?video_with_audio(path_video_raw,?path_bgm_raw,?output):
????"""
????視頻合成音頻
????:return:
????"""
????videoclip?=?VideoFileClip(path_video_raw)
????audioclip?=?AudioFileClip(path_bgm_raw)

????#?設(shè)置視頻音頻，并寫入到文件中去
????videoclip.set_audio(audioclip).write_videofile(output,
???????????????????????????????????????????????????codec='libx264',
???????????????????????????????????????????????????audio_codec='aac',
???????????????????????????????????????????????????temp_audiofile='temp-audio.m4a',
???????????????????????????????????????????????????remove_temp=True
???????????????????????????????????????????????????)

def?remove_folder(file_path):
????"""
????刪除文件夾
????:param?file_path:
????:return:
????"""
????shutil.rmtree(file_path)

#?刪除臨時文件
remove_folder(self.path_temp)