Additional shaders

README.md

@@ -234,12 +234,11 @@ If your Windows runner stores the Blackmagic SDK outside the repo, configure `GP
 Audio
 improve text rendering
 genlock
+find a better UI libary
 Logs
 anamorphic desqueeze
-solid color layer
 refactor, cleanup of source files
 display URL (Maybe clicakable) for control in the windows app (Not on the output)
 Sound shader as seperate .slang in shader package?
 runtime date time UTC and offset from PCs internal clock
-Add a value control to the color wheels
 ![alt text](image.png)

shaders/anamorphic-desqueeze/shader.json

@@ -0,0 +1,46 @@
+{
+  "id": "anamorphic-desqueeze",
+  "name": "Anamorphic Desqueeze",
+  "description": "Desqueezes anamorphic footage by 1.3x, 1.33x, 1.5x, or 2x with fit or fill framing.",
+  "category": "Transform",
+  "entryPoint": "shadeVideo",
+  "parameters": [
+    {
+      "id": "desqueezeFactor",
+      "label": "Desqueeze",
+      "type": "enum",
+      "default": "x1_33",
+      "options": [
+        { "value": "x1_3", "label": "1.3x" },
+        { "value": "x1_33", "label": "1.33x" },
+        { "value": "x1_5", "label": "1.5x" },
+        { "value": "x2_0", "label": "2x" }
+      ]
+    },
+    {
+      "id": "framing",
+      "label": "Framing",
+      "type": "enum",
+      "default": "fit",
+      "options": [
+        { "value": "fit", "label": "Fit" },
+        { "value": "fill", "label": "Fill" }
+      ]
+    },
+    {
+      "id": "pan",
+      "label": "Pan",
+      "type": "vec2",
+      "default": [0.0, 0.0],
+      "min": [-1.0, -1.0],
+      "max": [1.0, 1.0],
+      "step": [0.001, 0.001]
+    },
+    {
+      "id": "outsideColor",
+      "label": "Outside Color",
+      "type": "color",
+      "default": [0.0, 0.0, 0.0, 1.0]
+    }
+  ]
+}

shaders/anamorphic-desqueeze/shader.slang

@@ -0,0 +1,32 @@
+float selectedDesqueezeFactor()
+{
+    if (desqueezeFactor == 0)
+        return 1.3;
+    if (desqueezeFactor == 1)
+        return 1.3333333;
+    if (desqueezeFactor == 2)
+        return 1.5;
+    return 2.0;
+}
+
+float4 shadeVideo(ShaderContext context)
+{
+    float factor = selectedDesqueezeFactor();
+    float2 centered = context.uv - 0.5;
+
+    if (framing == 0)
+    {
+        centered.y *= factor;
+    }
+    else
+    {
+        centered.x /= factor;
+    }
+
+    float2 sourceUv = centered + 0.5 - pan;
+    bool inside = sourceUv.x >= 0.0 && sourceUv.x <= 1.0 && sourceUv.y >= 0.0 && sourceUv.y <= 1.0;
+    if (!inside)
+        return outsideColor;
+
+    return sampleVideo(sourceUv);
+}

shaders/smpte-color-bars/shader.json

@@ -0,0 +1,8 @@
+{
+  "id": "smpte-color-bars",
+  "name": "SMPTE Color Bars",
+  "description": "Generates a procedural SMPTE RP 219-style 16:9 color bar test pattern matching the common Wikimedia 1920x1080 reference layout.",
+  "category": "Calibration",
+  "entryPoint": "shadeVideo",
+  "parameters": []
+}

shaders/smpte-color-bars/shader.slang

@@ -0,0 +1,90 @@
+float3 hexColor(float r, float g, float b)
+{
+    return float3(r, g, b) / 255.0;
+}
+
+float3 smpteTop(float x)
+{
+    if (x < 240.0)
+        return hexColor(102.0, 102.0, 102.0);
+    if (x < 445.0)
+        return hexColor(191.0, 191.0, 191.0);
+    if (x < 651.0)
+        return hexColor(191.0, 191.0, 0.0);
+    if (x < 857.0)
+        return hexColor(0.0, 191.0, 191.0);
+    if (x < 1063.0)
+        return hexColor(0.0, 191.0, 0.0);
+    if (x < 1269.0)
+        return hexColor(191.0, 0.0, 191.0);
+    if (x < 1475.0)
+        return hexColor(191.0, 0.0, 0.0);
+    if (x < 1680.0)
+        return hexColor(0.0, 0.0, 191.0);
+    return hexColor(102.0, 102.0, 102.0);
+}
+
+float3 smpteMiddleA(float x)
+{
+    if (x < 240.0)
+        return hexColor(0.0, 255.0, 255.0);
+    if (x < 445.0)
+        return hexColor(0.0, 63.0, 105.0);
+    if (x < 1680.0)
+        return hexColor(191.0, 191.0, 191.0);
+    return hexColor(0.0, 0.0, 255.0);
+}
+
+float3 smpteMiddleB(float x)
+{
+    if (x < 240.0)
+        return hexColor(255.0, 255.0, 0.0);
+    if (x < 445.0)
+        return hexColor(65.0, 0.0, 119.0);
+    if (x < 1475.0)
+    {
+        float ramp = saturate((x - 445.0) / (1475.0 - 445.0));
+        return float3(ramp, ramp, ramp);
+    }
+    if (x < 1680.0)
+        return float3(1.0, 1.0, 1.0);
+    return hexColor(255.0, 0.0, 0.0);
+}
+
+float3 smpteBottom(float x)
+{
+    if (x < 240.0)
+        return hexColor(38.0, 38.0, 38.0);
+    if (x < 549.0)
+        return float3(0.0, 0.0, 0.0);
+    if (x < 960.0)
+        return float3(1.0, 1.0, 1.0);
+    if (x < 1268.0)
+        return float3(0.0, 0.0, 0.0);
+    if (x < 1337.0)
+        return hexColor(5.0, 5.0, 5.0);
+    if (x < 1405.0)
+        return float3(0.0, 0.0, 0.0);
+    if (x < 1474.0)
+        return hexColor(10.0, 10.0, 10.0);
+    if (x < 1680.0)
+        return float3(0.0, 0.0, 0.0);
+    return hexColor(38.0, 38.0, 38.0);
+}
+
+float4 shadeVideo(ShaderContext context)
+{
+    float2 uv = saturate(context.uv);
+    float2 pixel = float2(uv.x, 1.0 - uv.y) * float2(1920.0, 1080.0);
+
+    if (pixel.y < 630.0)
+        return float4(smpteTop(pixel.x), 1.0);
+
+    if (pixel.y < 720.0)
+        return float4(smpteMiddleA(pixel.x), 1.0);
+
+    if (pixel.y < 810.0)
+        return float4(smpteMiddleB(pixel.x), 1.0);
+
+    return float4(smpteBottom(pixel.x), 1.0);
+}

shaders/solid-color/shader.json

@@ -0,0 +1,15 @@
+{
+  "id": "solid-color",
+  "name": "Solid Color",
+  "description": "Fills the frame with a single user-selected color.",
+  "category": "Color",
+  "entryPoint": "shadeVideo",
+  "parameters": [
+    {
+      "id": "fillColor",
+      "label": "Fill",
+      "type": "color",
+      "default": [1.0, 1.0, 1.0, 1.0]
+    }
+  ]
+}

shaders/solid-color/shader.slang

@@ -0,0 +1,4 @@
+float4 shadeVideo(ShaderContext context)
+{
+    return saturate(fillColor);
+}

ui/src/components/ParameterField.jsx

@@ -190,11 +190,15 @@ export function ParameterField({ layer, parameter, onParameterChange }) {
     while (values.length < 4) {
       values.push(values.length === 3 ? 1 : 0);
     }
+    const hsva = colorValueToHsva(values);
+    const wheelHsva = { ...hsva, v: 100 };
+    const sendHsva = (nextHsva) => scheduleSendValue(hsvaToColorValue(nextHsva, values[3]));
 
     return (
       <section className="parameter">
         {header}
         <div className="parameter__wheel-row">
+          <div className="parameter__color-stack">
             <div
               className="parameter__wheel"
               onPointerDown={beginInteraction}
@@ -203,12 +207,34 @@ export function ParameterField({ layer, parameter, onParameterChange }) {
               onBlur={endInteraction}
             >
               <Wheel
-              color={colorValueToHsva(values)}
-              width={132}
-              height={132}
-              onChange={(color) => scheduleSendValue(hsvaToColorValue(color.hsva, values[3]))}
+                color={wheelHsva}
+                width={196}
+                height={196}
+                onChange={(color) => sendHsva({ ...color.hsva, v: hsva.v })}
               />
             </div>
+            <label className="parameter__value-slider">
+              <input
+                type="range"
+                min={0}
+                max={100}
+                step={1}
+                value={Math.round(hsva.v)}
+                aria-label={`${parameter.label} value`}
+                onMouseDown={beginInteraction}
+                onPointerDown={beginInteraction}
+                onTouchStart={beginInteraction}
+                onChange={(event) => sendHsva({ ...hsva, v: Number(event.target.value) })}
+                onMouseUp={endInteraction}
+                onTouchEnd={endInteraction}
+                onPointerUp={endInteraction}
+                onKeyDown={beginInteraction}
+                onKeyUp={endInteraction}
+                onBlur={endInteraction}
+              />
+            </label>
+          </div>
+          <div className="parameter__color-bottom">
             <label className="parameter__alpha">
               <span>Alpha</span>
               <input
@@ -228,6 +254,7 @@ export function ParameterField({ layer, parameter, onParameterChange }) {
             </label>
             <div className="parameter__swatch" style={{ background: colorValueToHex(values) }} aria-hidden="true" />
           </div>
+        </div>
         <ParameterValueDisplay parameterType={parameter.type} value={appliedValue} pending={isPending} />
       </section>
     );

ui/src/styles.css

@@ -858,14 +858,23 @@ pre {
 
 .parameter__wheel-row {
   display: grid;
-  grid-template-columns: auto minmax(5.25rem, 1fr);
-  gap: 0.5rem;
+  grid-template-columns: minmax(0, 196px);
+  gap: 0.625rem;
   align-items: start;
+  justify-content: center;
+}
+
+.parameter__color-stack {
+  display: grid;
+  gap: 0.625rem;
+  width: 196px;
 }
 
 .parameter__wheel {
-  width: 132px;
-  height: 132px;
+  width: 196px;
+  height: 196px;
+  overflow: hidden;
+  border-radius: 50%;
 }
 
 .parameter__wheel [class*="react-colorful"],
@@ -873,14 +882,87 @@ pre {
   max-width: 100%;
 }
 
+.parameter__wheel svg,
+.parameter__wheel canvas {
+  display: block;
+}
+
+.parameter__color-bottom {
+  display: grid;
+  grid-template-columns: minmax(0, 1fr) minmax(4.5rem, 0.85fr);
+  gap: 0.625rem;
+  align-items: end;
+  width: 196px;
+}
+
 .parameter__swatch {
-  grid-column: 2;
   width: 100%;
-  min-height: 28px;
+  min-height: 38px;
   border: 1px solid var(--app-border);
   border-radius: var(--app-radius-sm);
 }
 
+.parameter__value-slider {
+  display: block;
+  width: 196px;
+}
+
+.parameter__value-slider input[type="range"] {
+  --value-thumb-size: 18px;
+  display: block;
+  width: 196px;
+  height: 22px;
+  margin: 0;
+  accent-color: #f2f6fb;
+  background: linear-gradient(90deg, #000 0%, #fff 100%);
+  border-radius: 999px;
+  cursor: pointer;
+  appearance: none;
+  -webkit-appearance: none;
+}
+
+.parameter__value-slider input[type="range"]::-webkit-slider-runnable-track {
+  height: 0.75rem;
+  border: 1px solid rgba(255, 255, 255, 0.28);
+  border-radius: 999px;
+  background: linear-gradient(90deg, #000 0%, #fff 100%);
+}
+
+.parameter__value-slider input[type="range"]::-webkit-slider-thumb {
+  width: var(--value-thumb-size);
+  height: var(--value-thumb-size);
+  margin-top: calc((0.75rem - var(--value-thumb-size)) / 2);
+  border: 2px solid #f7fbff;
+  border-radius: 999px;
+  background: #f7fbff;
+  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.65), 0 1px 4px rgba(0, 0, 0, 0.45);
+  -webkit-appearance: none;
+}
+
+.parameter__value-slider input[type="range"]::-moz-range-track {
+  height: 0.75rem;
+  border: 1px solid rgba(255, 255, 255, 0.28);
+  border-radius: 999px;
+  background: linear-gradient(90deg, #000 0%, #fff 100%);
+}
+
+.parameter__value-slider input[type="range"]::-moz-range-thumb {
+  width: var(--value-thumb-size);
+  height: var(--value-thumb-size);
+  border: 2px solid #f7fbff;
+  border-radius: 999px;
+  background: #f7fbff;
+  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.65), 0 1px 4px rgba(0, 0, 0, 0.45);
+}
+
+.parameter__value-slider strong {
+  text-align: right;
+  min-height: 1rem;
+  color: var(--app-text);
+  font-size: 0.74rem;
+  line-height: 1;
+}
+
 .parameter__alpha {
   display: grid;
   gap: 0.25rem;
@@ -975,6 +1057,13 @@ pre {
     grid-column: auto;
   }
 
+  .parameter__color-stack,
+  .parameter__color-bottom,
+  .parameter__value-slider,
+  .parameter__value-slider input[type="range"] {
+    width: 100%;
+  }
+
   .kv-row {
     grid-template-columns: minmax(6.25rem, 0.6fr) minmax(0, 1fr);
   }