def implay(array):
try:
if array.dtype != np.uint8:
array = (array * 255).astype(np.uint8)
def make_frame(t):
return array[..., round(t * 30.0)]
clip = VideoClip(make_frame, duration=array.shape[-1] / 30.0)
clip.preview(fps=30)
#_ = raw_input("quit...")
finally:
import pygame.display
pygame.display.quit()
def test1():
import matplotlib.pyplot as plt
import numpy as np
from moviepy.editor import VideoClip
from moviepy.video.io.bindings import mplfig_to_npimage
x = np.linspace(-2, 2, 200)
duration = 2
fig, ax = plt.subplots()
def make_frame(t):
ax.clear()
ax.plot(x, np.sinc(x**2) + np.sin(x + 2 * np.pi / duration * t), lw=3)
ax.set_ylim(-1.5, 2.5)
return mplfig_to_npimage(fig)
animation = VideoClip(make_frame, duration=duration)
# animation.write_gif('matplotlib.gif', fps=20)
animation.preview()
def show_animation(
self,
a_function_which_returns_an_image_according_to_a_time_variable,
duration=3,
fps=24,
saving_path=None):
"""
the function looks like `func(t)`.
t is a float variable in seconds, for example, 1.2 = 1 second + 0.2 second
"""
def wrap_function(t):
array = a_function_which_returns_an_image_according_to_a_time_variable(
t)
assert isinstance(
array,
np.ndarray), "this function should return an numpy array"
if array.shape[2] == 4:
array = array[:, :, 0:3]
return array
animation = VideoClip(wrap_function, duration=duration)
if self._notebook:
result = animation.ipython_display(fps=fps,
loop=True,
autoplay=True)
self._IPython.display.display(result)
else:
animation.preview(fps=fps)
if saving_path != None:
if len(saving_path.split(".")) > 0:
extension = saving_path.split(".")[-1]
if extension.lower() == "gif":
animation.write_gif(saving_path, fps=fps)
elif extension.lower() == "mp4":
animation.write_videofile(saving_path, fps=fps)
else:
print("you can only save gif or mp4!")
exit()