def _concatenate(self, clip: Clip, buffer=5):
if self._transition == 'crossfadein':
try:
before_cross_part = self._final_clip.subclip(
t_end=self._final_clip.duration - buffer)
before_buffer = self._final_clip.subclip(
t_start=self._final_clip.duration - buffer)
after_cross_part = clip.subclip(
t_start=self._transition_padding)
after_buffer = clip.subclip(
t_end=self._transition_padding).set_start(
buffer - self._transition_padding)
except OSError:
if buffer >= 60:
raise Exception('Buffer {} is very big'.format(buffer))
self._concatenate(clip, buffer=buffer * 2)
return
crossfade = CompositeVideoClip([
before_buffer,
after_buffer.crossfadein(self._transition_padding)
],
use_bgclip=True)
crossfade = crossfade.set_audio(before_buffer.audio)
self._final_clip = concatenate_videoclips(
[before_cross_part, crossfade, after_cross_part])
else:
self._final_clip = concatenate_videoclips([self._final_clip, clip])
# sources
video = VideoFileClip("D:\\upload\\video.mp4").subclip(0, 6).add_mask()
video = video.resize(size)
foto1 = (ImageClip("D:\\upload\\foto1.png").set_duration(3))
foto1 = foto1.resize(size)
foto2 = (ImageClip("D:\\upload\\foto2.png").set_duration(3))
foto2 = foto2.resize(size)
foto3 = (ImageClip("D:\\upload\\fotoend.jpg").set_duration(2))
foto3 = foto3.resize(size)
num = video.duration + 3
numfin = num + 3
# creating the video
videofinal = CompositeVideoClip([
foto1, # starts at t=0
video.set_start(3),
foto2.set_start(num),
foto3.set_start(numfin)
])
background_audio_clip = AudioFileClip("D:\\upload\\audio.mp3").subclip(0, 3)
bg_music = concatenate_audioclips([background_audio_clip, video.audio])
videofinal = videofinal.set_audio(bg_music)
videofinal.write_videofile("D:\\upload\\final.mp4")