An open source project that includes YUV conversion and scaling functionality.

Converts all webcam formats to YUV (I420).
Convert YUV to formats for rendering/effects.
Rotate by 90 degrees to adjust for mobile devices in portrait mode.
Scale YUV to prepare content for compression, with point, bilinear or box filter.

Optimized for SSE2/SSSE3 on x86/x64.
Optimized for Neon on Arm.