matplotlib.animation.FFMpegFileWriter

class matplotlib.animation.FFMpegFileWriter(*args, **kwargs)

File-based ffmpeg writer.

Frames are written to temporary files on disk and then stitched together at the end.

Parameters:

fpsint, default: 5

Movie frame rate (per second).

codecstr or None, default: rcParams["animation.codec"] (default: 'h264')

The codec to use.

bitrateint, default: rcParams["animation.bitrate"] (default: -1)

The bitrate of the movie, in kilobits per second. Higher values means higher quality movies, but increase the file size. A value of -1 lets the underlying movie encoder select the bitrate.

extra_argslist of str or None, optional

Extra command-line arguments passed to the underlying movie encoder. The default, None, means to use rcParams["animation.[name-of-encoder]_args"] for the builtin writers.

metadataDict[str, str], default: {}

A dictionary of keys and values for metadata to include in the output file. Some keys that may be of use include: title, artist, genre, subject, copyright, srcform, comment.

__init__(*args, **kwargs)

Parameters:

fpsint, default: 5

Movie frame rate (per second).

codecstr or None, default: rcParams["animation.codec"] (default: 'h264')

The codec to use.

bitrateint, default: rcParams["animation.bitrate"] (default: -1)

The bitrate of the movie, in kilobits per second. Higher values means higher quality movies, but increase the file size. A value of -1 lets the underlying movie encoder select the bitrate.

extra_argslist of str or None, optional

Extra command-line arguments passed to the underlying movie encoder. The default, None, means to use rcParams["animation.[name-of-encoder]_args"] for the builtin writers.

metadataDict[str, str], default: {}

A dictionary of keys and values for metadata to include in the output file. Some keys that may be of use include: title, artist, genre, subject, copyright, srcform, comment.

Methods

__init__(*args, **kwargs)	Parameters:
bin_path()	Return the binary path to the commandline tool used by a specific subclass.
cleanup()	Clean-up and collect the process used to write the movie file.
finish()	Finish any processing for writing the movie.
grab_frame(**savefig_kwargs)	Grab the image information from the figure and save as a movie frame.
isAvailable()	Return whether a MovieWriter subclass is actually available.
saving(fig, outfile, dpi, *args, **kwargs)	Context manager to facilitate writing the movie file.
setup(fig, outfile[, dpi, frame_prefix, ...])	Setup for writing the movie file.

Attributes

args_key
clear_temp
exec_key
frame_format	Format (png, jpeg, etc.) to use for saving the frames, which can be decided by the individual subclasses.
frame_size	A tuple (width, height) in pixels of a movie frame.
output_args
supported_formats

supported_formats = ['png', 'jpeg', 'ppm', 'tiff', 'sgi', 'bmp', 'pbm', 'raw', 'rgba']