Function stripes_held_still 

pub fn stripes_held_still(
    stripes: &[StripeState],
    settings: &CaptureSettings,
) -> bool

Whether a frame that holds still codes the software H.264 session at the paint-over quality instead of its own (encode_cpu): at a constant quality, where its cleanup falls due, its burst is held, or it keeps the quality it was cleaned up at. A constant rate holds none there.