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A demo project demonstrating how to add filter, drawing, and text to a video

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ltebean/LTVideoRecorder

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This project demonstrates how to use CoreImage to add filter, drawing, and text to a video.

The flow is:

  • for every frame, get CVPixelBuffer from a AVCaptureSession, convert it to a CIImage instance
  • add filter to the CIImage
  • add drawing and text layer to the CIImage
  • render the CIImage to the screen
  • write the CIImage to the file

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A demo project demonstrating how to add filter, drawing, and text to a video

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