`ffmpegio_plugin_mpl`: ffmpegio plugin to output matplotlib figures
===================================================================
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This plugin enables Python `ffmpegio` package to output matplotlib's Figure.
Installation
------------
To enable it, install along with `ffmpegio-core` or `ffmpegio` package:
.. code-block:: bash
pip install ffmpegio-core # or ffmpegio if also performing media I/O
pip install ffmpegio-plugin-mpl
The plugin will be automatically loaded whenever `ffmpegio` package is imported.
Example
-------
Create an MP4 video of `Matplotlib's animation example <https://matplotlib.org/stable/gallery/animation/simple_anim.html>`__.
.. code-block:: python
import ffmpegio
from matplotlib import pyplot as plt
import numpy as np
fig, ax = plt.subplots()
x = np.arange(0, 2*np.pi, 0.01)
line, = ax.plot(x, np.sin(x))
interval=20 # delay in milliseconds
save_count=50 # number of frames
def animate(i):
line.set_ydata(np.sin(x + i / 50)) # update the data.
return line
with ffmpegio.open(
"output.mp4", # output file name
"wv", # open file in write-video mode
1e3/interval, # framerate in frames/second
pix_fmt="yuv420p", # specify the pixel format (default is yuv444p)
) as f:
for n in range(save_count):
animate(n) # update figure
f.write(fig) # write new frame
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"description": "`ffmpegio_plugin_mpl`: ffmpegio plugin to output matplotlib figures\n===================================================================\n\n|pypi| |pypi-status| |pypi-pyvers| |github-license| |github-status|\n\n.. |pypi| image:: https://img.shields.io/pypi/v/ffmpegio\n :alt: PyPI\n.. |pypi-status| image:: https://img.shields.io/pypi/status/ffmpegio\n :alt: PyPI - Status\n.. |pypi-pyvers| image:: https://img.shields.io/pypi/pyversions/ffmpegio\n :alt: PyPI - Python Version\n.. |github-license| image:: https://img.shields.io/github/license/python-ffmpegio/python-ffmpegio\n :alt: GitHub License\n.. |github-status| image:: https://img.shields.io/github/workflow/status/python-ffmpegio/python-ffmpegio/Run%20Tests\n :alt: GitHub Workflow Status\n\nThis plugin enables Python `ffmpegio` package to output matplotlib's Figure.\n\nInstallation\n------------\n\nTo enable it, install along with `ffmpegio-core` or `ffmpegio` package:\n\n.. code-block:: bash\n\n pip install ffmpegio-core # or ffmpegio if also performing media I/O\n pip install ffmpegio-plugin-mpl\n\nThe plugin will be automatically loaded whenever `ffmpegio` package is imported.\n\nExample\n-------\n\nCreate an MP4 video of `Matplotlib's animation example <https://matplotlib.org/stable/gallery/animation/simple_anim.html>`__.\n\n.. code-block:: python\n\n import ffmpegio\n from matplotlib import pyplot as plt\n import numpy as np\n\n \n fig, ax = plt.subplots()\n\n x = np.arange(0, 2*np.pi, 0.01)\n line, = ax.plot(x, np.sin(x))\n\n interval=20 # delay in milliseconds\n save_count=50 # number of frames\n\n def animate(i):\n line.set_ydata(np.sin(x + i / 50)) # update the data.\n return line\n\n\n with ffmpegio.open(\n \"output.mp4\", # output file name\n \"wv\", # open file in write-video mode\n 1e3/interval, # framerate in frames/second\n pix_fmt=\"yuv420p\", # specify the pixel format (default is yuv444p)\n ) as f:\n for n in range(save_count):\n animate(n) # update figure\n f.write(fig) # write new frame\n\n",
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