tvercaut

#!/usr/bin/env python3

import numpy as np
import matplotlib.pyplot as plt

def wavelength_to_rgb(wavelengths, gamma=0.8):
    '''This converts a given wavelength of light to an
    approximate RGB color value. The wavelength must be given
    in nanometers in the range from 380 nm through 750 nm
    (789 THz through 400 THz).

tvercaut

Basic attempt at injecting and reading back user data unregistered (UDU) supplemental enhancement information (SEI) with ffmpeg / libav.

Some references:

• https://ffmpeg.org/doxygen/trunk/group__lavu__frame.html#ggae01fa7e427274293aacdf2adc17076bca4f2dcaee18e5ffed8ff4ab1cc3b326aa
• https://gist.github.com/figgis/d3cff69be815491eff1ac9338aa78add
• https://stackoverflow.com/q/74431792