Numpy视频帧服务器


vidsrc的Python项目详细描述

vidsrc是一个python库,它将视频文件中的帧作为numpy数组读取 通过DirectShow IMediadet接口。

Author:Christoph Gohlke
Organization:Laboratory for Fluorescence Dynamics. University of California, Irvine
Version:2019.1.1

要求

  • CPython 2.7 or 3.5+
  • Numpy 1.14
  • Microsoft Visual Studio(内部版本)
  • DirectX 9.0C sdk(内部版本)
  • DirectShow基类包含文件(生成)
  • directshow strmbase.lib(生成)

修订版

2019.1.1
更新版权年。

注释

DirectShow IMediadet接口已弃用,可以从 Windows的未来版本 (https://docs.microsoft.com/en-us/windows/desktop/directshow/imediadet)。

示例

>>> 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)

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