all: refactor to cargo workspace, remove config shared library, remove protocol perms, add dpms cli (#7)

crates/cmm/src/cmm_eotf.rs

@@ -0,0 +1,60 @@
+use jay_utils::ordered_float::F32;
+
+#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)]
+pub enum Eotf {
+    Linear,
+    St2084Pq,
+    Bt1886(F32),
+    Gamma22,
+    Gamma24,
+    Gamma28,
+    St240,
+    Log100,
+    Log316,
+    St428,
+    Pow(EotfPow),
+    CompoundPower24,
+}
+
+const MUL: u32 = 10_000;
+const MUL_F32: f32 = MUL as f32;
+
+#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash, Ord, PartialOrd)]
+pub struct EotfPow(pub u32);
+
+impl EotfPow {
+    pub const MIN: Self = Self(10_000);
+    pub const LINEAR: Self = Self(10_000);
+    pub const GAMMA22: Self = Self(22_000);
+    pub const GAMMA24: Self = Self(24_000);
+    pub const GAMMA28: Self = Self(28_000);
+    pub const MAX: Self = Self(100_000);
+
+    pub fn eotf_f32(self) -> f32 {
+        self.0 as f32 / MUL_F32
+    }
+
+    pub fn inv_eotf_f32(self) -> f32 {
+        MUL_F32 / self.0 as f32
+    }
+}
+
+pub fn bt1886_eotf_args(c: F32) -> [f32; 4] {
+    let c = c.0;
+    let gamma = 1.0 / 2.4;
+    let a1 = 1.0 / (1.0 - c);
+    let a2 = 1.0 - c.powf(gamma);
+    let a3 = c.powf(gamma);
+    let a4 = c;
+    [a1, a2, a3, a4]
+}
+
+pub fn bt1886_inv_eotf_args(c: F32) -> [f32; 4] {
+    let c = c.0;
+    let gamma = 1.0 / 2.4;
+    let a1 = 1.0 / (1.0 - c.powf(gamma));
+    let a2 = 1.0 - c;
+    let a3 = c;
+    let a4 = c.powf(gamma);
+    [a1, a2, a3, a4]
+}