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二次创作.py
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二次创作.py
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#!/usr/bin/env python
# encoding: utf-8
"""
@version: v1.0
@author: xag
@license: Apache Licence
@contact: [email protected]
@site: http://www.xingag.top
@software: PyCharm
@file: video_rework.py
@time: 2019-12-25 15:47
@description：抖音视频二次创作
"""
from moviepy.video import fx
from util.img_utils import *
from util.video_utils import *
from util.file_utils import *
class Video_Re(object):
def __init__(self, video_raw_path, desc):
# 原始素材
self.video_raw_path = video_raw_path
# 描述信息
self.desc = desc
# 视频和音频
self.video_clip = None
self.audio = None
# 视频的宽、高
self.video_width = 0
self.video_height = 0
# 视频的默认帧率、时长
self.fps = 25
self.time = 10
# 文字字体属性，包含：字体大小、字体颜色、字体位置，一般是上(0)下(1)
self.font_params = {
'size': 50,
'color': 'red',
'kerning': 5,
'position': 0
}
def run(self):
# 1、获取视频的属性数据，并裁掉抖音最后加入的素材数据（抖音记录美好生活，一般为3s）
self.__pre()
# 2、获取视频的某一帧，去PS量取视频的左上角、右下角坐标
position1, position2 = self.__get_frame(3)
# 3、对原视频进行一次剪辑，重新产生一个横向的视频
croped_video_clip = self.video_crop(position1, position2, './source/temp_source_croped.mp4')
print(f'视频宽为：{self.video_width}，高为:{self.video_height}，帧率：{self.fps}，时长：{self.time}')
# 4、一张图片组成背景视频，和视频同帧率、同时长
image_video_clip = one_pic_to_video('./source/1.jpeg', './source/temp_img_video.mp4', self.fps, self.time)
# 5、合成两段视频
synthetic_video_clip = synthetic_video(image_video_clip, croped_video_clip)
# 6、生成描述信息
desc_text_clip = generate_text_clip(self.desc, self.font_params, synthetic_video_clip.duration)
# 7、视频加入描述信息
video_with_text_clip = video_with_text(synthetic_video_clip, desc_text_clip)
# 8、视频加入音频，并删除临时文件
self.video_with_audio(video_with_text_clip)
def video_crop(self, position1, position2, croped_video_path):
"""
视频裁剪
:return:
"""
# 裁剪的坐标，包含左上角x轴和y轴；右下角x轴和y轴
clip2 = fx.all.crop(self.video_clip, x1=position1[0], y1=position1[1], x2=position2[0], y2=position2[1])
# 保存文件
clip2.write_videofile(croped_video_path)
# 时长
self.time = clip2.duration
return clip2
def __pre(self):
"""
准备工作
:return:
"""
self.video_raw_clip = VideoFileClip(self.video_raw_path)
# 视频宽、高
self.video_width, self.video_height = self.video_raw_clip.w, self.video_raw_clip.h
self.fps = self.video_raw_clip.fps
# 分离出音频
self.audio = self.video_raw_clip.audio.subclip(0, self.video_raw_clip.duration - 4)
# 裁剪尾部的视频素材
temp_video_clip = self.video_raw_clip.subclip(0, self.video_raw_clip.duration - 4)
# 生成新的视频,并保存到本地
temp_video_clip.set_audio(self.audio)
video_path = './source/temp_source_video.mp4'
temp_video_clip.write_videofile(video_path, codec='libx264',
audio_codec='aac',
temp_audiofile='temp-audio.m4a',
remove_temp=True)
# 重新初始化VideoFileClip，便于后面剪辑
self.video_clip = VideoFileClip(video_path)
def __get_frame(self, time):
"""
获取视频的某一帧
:param time:
:return:
"""
# get_frame_from_video(self.path_video_source, time, './output.jpg')
# 获取要截取视频的左上坐标、右下坐标（328 631）
# position1 = (0, 328)
# position2 = (self.video_width, 631)
# 注意：坐标值必须为偶数，不然会裁剪失败
position1 = (0, 328)
position2 = (self.video_width, 630)
return position1, position2
def video_with_audio(self, video_with_text_clip):
"""
视频合成音频，并删除临时文件
:return:
"""
# 设置视频音频，并写入到文件中去
video_with_text_clip.set_audio(self.audio).write_videofile("output.mp4",
codec='libx264',
audio_codec='aac',
temp_audiofile='temp-audio.m4a',
remove_temp=True
)
# 删除所有的临时文件
del_temp_file("./source/")
if __name__ == '__main__':
# 原视频文件
video_source = './source/source.mp4'
desc = '我是描述信息'
video_re = Video_Re(video_source, desc)
video_re.run()