更改视频亮度,增加字幕,去除音轨,淡入特效,转换,截取时间,控制位置,组合图框,合成多段,
from django.test import TestCase
# Create your tests here.
# coding=utf-8
from moviepy.editor import *
from moviepy.video.tools.subtitles import SubtitlesClip
from moviepy.video.fx import volumex, resize, mirrorx, lum_contrast
from moviepy.video.tools.segmenting import findObjects
# 导入字幕
generator = lambda txt: TextClip(txt, font='SimHei', fontsize=24, color='black')
sub = SubtitlesClip("welcome.srt", generator)
# 片头
start_clip = VideoFileClip("start_clip.mp4").subclip(0, 9.0).resize((500, 1000)).fx(lum_contrast, (lum=0, contrast=0, contrast_thr=127)).crossfadein(0.5).crossfadeout(0.5)
# 合成字幕
start_clip = CompositeVideoClip([start_clip, sub])
# 片尾
end_clip = ImageClip("wzj_cover.png").subclip(0, 9.0).resize((500, 1000)).fx(resize, (1000, 500))
# 内容
main_clip = VideoFileClip("main_clip.mp4", audio=False).without_audio().subclip(0, 9.0).on_color(color=(255, 255, 255)).resize((700, 500)).crossfadein(0.5).crossfadeout(0.5)
left_clip1 = VideoFileClip("left_clip.mp4", audio=False).without_audio().subclip(0, 9.0).rotate(90).on_color(color=(255, 255, 255))
left_clip2 = VideoFileClip("left_clip.mp4", audio=False).without_audio().subclip(0, 9.0).rotate(90).on_color(color=(255, 255, 255))
left_clip3 = VideoFileClip("left_clip.mp4", audio=False).without_audio().subclip(0, 9.0).rotate(90).on_color(color=(255, 255, 255))
# 一种实现,通过巧妙堆叠
left_clip = clips_array([[left_clip, main_clip]])
mid_clip = clips_array([[left_clip, main_clip]])
"""
# 另一种实现,通过画好的线框来安置视频
# Load the image specifying the regions.
im = ImageClip("motif.png")
# Loacate the regions, return a list of ImageClips
regions = findObjects(im)
clips = [left_clip1, left_clip2, left_clip3, main_clip]
comp_clips = [c.resize(r.size)
.set_mask(r.mask)
.set_position(r.screenpos)
for c,r in zip(clips,regions)]
mid_clip = CompositeVideoClip(comp_clips, im.size)
"""
mid_clip = mid_clip.resize(width=1000, height=500).rotate(90)
# 剪辑合成
final_clip = concatenate_videoclips([start_clip, mid_clip, end_clip])
# 输出视频
final_clip.write_videofile("my_stack.mp4")
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