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Video Frameserver for Numpy

Project description

Vidsrc is a Python library to read frames from video files as numpy arrays via the DirectShow IMediaDet interface.

Author:

Christoph Gohlke

Organization:

Laboratory for Fluorescence Dynamics. University of California, Irvine

License:

BSD 3-Clause

Version:

2021.6.6

Requirements

  • CPython >= 3.7

  • Numpy 1.15

  • Microsoft Visual Studio (build)

  • DirectX 9.0c SDK (build)

  • DirectShow BaseClasses include files (build)

  • DirectShow STRMBASE.lib (build)

Revisions

2021.6.6

Remove support for Python 3.6 (NEP 29). Fix compile error on PyPy3.

2020.1.1

Remove support for Python 2.7 and 3.5.

Notes

The DirectShow IMediaDet interface is deprecated and may be removed from future releases of Windows (https://docs.microsoft.com/en-us/windows/desktop/directshow/imediadet).

To fix compile error C2146: syntax error: missing ';' before identifier 'PVOID64', change typedef void * POINTER_64 PVOID64; to typedef void * __ptr64 PVOID64; in winnt.h.

Example

>>> from vidsrc import VideoSource
>>> video = VideoSource('test.avi', grayscale=False)
>>> len(video)  # number of frames in video
48
>>> video.duration  # length in s
1.6016
>>> video.framerate  # frames per second
29.970089850329373
>>> video.shape  # frames, height, width, color channels
(48, 64, 64, 3)
>>> frame = video[0]  # access first frame
>>> frame = video[-1]  # access last frame
>>> for frame in video:
...     pass  # do_something_with(frame)

Project details


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