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Asked: 2026-06-02T09:22:21+00:00

How to turn the camera into black & white mode.So I can capture the

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How to turn the camera into black & white mode.So I can capture the video in Black & white.

Note:
Without using OpenGL.

Thanks in advance.

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1 Answer

  1. Editorial Team

    Maybe GPUImage could help:

    The GPUImage framework is a BSD-licensed iOS library that lets you apply GPU-accelerated filters and other effects to images, live camera video, and movies. In comparison to Core Image (part of iOS 5.0), GPUImage allows you to write your own custom filters, supports deployment to iOS 4.0, and has a simpler interface. However, it currently lacks some of the more advanced features of Core Image, such as facial detection.

    GPUImageGrayscaleFilter: Converts an image to grayscale (a slightly faster implementation of the saturation filter, without the ability to vary the color contribution)

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