Skip to content

Failed build opencv-python without ffmpeg option in Windows #1023

Open
@ioctl-user

Description

@ioctl-user

I'm trying build minimal OpenCV-python for Windows for my project, without not needed functions. In my case I don't need video encoding and decoding functions. Also I would like to minimize LGPL libs presence.

At that setup.py contains the following lines:

    rearrange_cmake_output_data = {
        "cv2": (
            [r"bin/opencv_videoio_ffmpeg\d{4}%s\.dll" % ("_64" if is64 else "")]
            if os.name == "nt"
            else []
        )
        +

Here is expected, that ffmpeg dll will be built and packaged. However, there is no such file in case of building without FFMPEG (with CMAKE_ARGS="-DWITH_FFMPEG=OFF" env variable set). These lines leads to build fail in such configuration.

I have changed these lines to fix problem in my case. However, it seems disabling FFMPEG is a common need given the considerations above. Build should not fail in this case.

Metadata

Metadata

Assignees

No one assigned

    Labels

    No labels
    No labels

    Type

    No type

    Projects

    No projects

    Milestone

    No milestone

    Relationships

    None yet

    Development

    No branches or pull requests

    Issue actions