Created
January 5, 2018 10:41
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How to create a Chrome/ Jupyter Notebook compatible embedded video using ffmpeg and matplotlib
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# IMPORTANT: | |
# Install FFMPEG Static build from https://johnvansickle.com/ffmpeg/ | |
import numpy as np | |
import matplotlib | |
#matplotlib.use("Agg") | |
import matplotlib.pyplot as plt | |
from math import sin,cos,pi | |
import matplotlib.animation as manimation | |
from IPython.display import display_html, FileLink, HTML, display | |
matplotlib.verbose.set_level('helpful') | |
FFMpegWriter = manimation.writers['ffmpeg'] | |
metadata = dict(title='Movie Test', artist='Matplotlib', | |
comment='Movie support!') | |
writer = FFMpegWriter(fps=15, metadata=metadata, extra_args=['-acodec', 'libvorbis ', '-vcodec', 'libvpx']) | |
x0,y0 = 0, 0 | |
fig = plt.figure() | |
with writer.saving(fig, "writer_test5.webm", 100): | |
for i in range(100): | |
x0 += 0.1 * np.random.randn() + 0.05*sin(i * 2.0 * pi / 100) | |
y0 += 0.1 * np.random.randn() + 0.05*cos(i * 2.0 * pi / 100) | |
fig.clear() | |
plt.xlim(-5, 5) | |
plt.ylim(-5, 5) | |
l, = plt.plot(x0, y0, 'k-o') | |
#l.set_data(x0, y0) | |
writer.grab_frame() | |
from IPython.display import HTML | |
from base64 import b64encode | |
#video = open("writer_test5.mp4", "rb").read() | |
#video_encoded = b64encode(video).decode('ascii') | |
video_tag = '<video controls alt="test" type="video/mp4" src="writer_test5.webm">'.format(video_encoded) | |
HTML(data=video_tag) |
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