Open-source video display module

The DELTACAST video-viewer is an open-source module driving GPU-accelerated video display based on OpenGL.

The module is cross-compatible with Windows and Linux.

It includes shaders source code to perform GPU-based pixel format and color space conversion :

  • YCbCr 4:2:2 8 bits to RGB 4:4:4 8 bits
  • YCbCr 4:2:2 10 bits to RGB 4:4:4 8 bits
  • YCbCr 4:4:4 8 bits to RGB 4:4:4 8 bits

The video-viewer project is available on

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