虽然ffmpeg-python包含一些最常用过滤器(例如concat)的简写符号,但所有过滤器都可以通过.filter运算符引用: stream=ffmpeg.input('dummy.mp4')stream=ffmpeg.filter(stream,'fps',fps=25,round='up')stream=ffmpeg.output(stream,'dummy2.mp4')ffmpeg.run(stream) 或流利地: (ffmpeg.input('dummy.mp4').filter(...
(ffmpeg.input(in_filename,ss=time).filter('scale',width,-1).output(out_filename,vframes=1).run()) 将视频转换为 numpy 数组 ffmpeg-numpy 图 out,_=(ffmpeg.input('in.mp4').output('pipe:',format='rawvideo',pix_fmt='rgb24').run(capture_stdout=True))video=(np.frombuffer(out,np.uint...
process1=(ffmpeg.input(in_filename).output('pipe:',format='rawvideo',pix_fmt='rgb24').run_async(pipe_stdout=True))process2=(ffmpeg.input('pipe:',format='rawvideo',pix_fmt='rgb24',s='{}x{}'.format(width,height)).output(out_filename,pix_fmt='yuv420p').overwrite_output().run_...