Module 98143

function(e,t,r){r.r(t),r.d(t,{createProvider:()=>u});var a=r(614235);let i={frost:.55,sandblast:.28,grainSize:.5,brightness:1.12,shadowLift:.12,warmth:.5,sun:.71,sunSpeed:.26},o=`
attribute vec2 aPos;
varying vec2 vUv;
void main() {
  vUv = aPos * 0.5 + 0.5;
  gl_Position = vec4(aPos, 0.0, 1.0);
}`,s=`
// The grain hash (h21 below) feeds large gl_FragCoord-derived values through
// sin()*43758.5 \u{2014} that overflows mediump's range on many mobile GPUs and
// collapses the grain to a flat artifact. Use highp where available (all WebGL2
// and most WebGL1 devices); fall back to mediump on the rare device without it.
#ifdef GL_FRAGMENT_PRECISION_HIGH
precision highp float;
#else
precision mediump float;
#endif
varying vec2 vUv;
uniform sampler2D uVideo;
uniform vec2 uRes;        // canvas pixel size (square)
uniform vec2 uVideoRes;   // decoded video pixel size
uniform float uTime;      // seconds (sun drift only)
uniform float uFrost;
uniform float uSandblast;
uniform float uGrainSize;
uniform float uWarmth;
uniform float uBright;
uniform float uShadow;
uniform float uSun;
uniform float uSunSpeed;

// Static per-cell hash \u{2014} NO time term, so the grain is a fixed matte surface.
float h21(vec2 p) {
  return fract(sin(dot(p, vec2(127.1, 311.7))) * 43758.5453123);
}

// Cover-fit the (non-square) video into the square output, centre-cropped, so
// faces are never stretched.
vec2 coverUv(vec2 uv) {
  float va = uVideoRes.x / max(uVideoRes.y, 1.0);
  vec2 o = uv;
  if (va > 1.0) o.x = (uv.x - 0.5) / va + 0.5;   // landscape: crop sides
  else          o.y = (uv.y - 0.5) * va + 0.5;    // portrait: crop top/bottom
  return o;
}

const int N = 12;

void main() {
  vec2 uv = vUv;
  vec2 base = coverUv(uv);
  float aspect = uRes.y / max(uRes.x, 1.0);

  // Per-fragment static seed, clustered into grain cells. Small cells = ultra
  // fine sandblast (effectively invisible pattern); larger = coarser frosting.
  vec2 cell = floor(gl_FragCoord.xy / max(uGrainSize, 0.5));
  float rnd = h21(cell);
  float baseAngle = rnd * 6.2831853;

  // Stochastic sandblasted scatter: an even golden-angle disk, but each pixel
  // cell rotates + jitters the kernel differently \u{2192} a fine matte grain rather
  // than a smooth blur. The video moves UNDER this fixed glass grain.
  vec3 col = vec3(0.0);
  for (int i = 0; i < N; i++) {
    float fi = float(i) + 0.5;
    float ang = baseAngle + fi * 2.399963; // golden angle
    float rad = sqrt(fi / float(N));        // even area coverage 0..1
    float j = h21(cell + vec2(fi * 7.13, fi * 3.71));
    float r = uFrost * 0.06 * rad + (j - 0.5) * uSandblast * 0.03;
    vec2 off = vec2(cos(ang), sin(ang)) * r;
    off.x *= aspect;
    col += texture2D(uVideo, base + off).rgb;
  }
  col /= float(N);

  // Airy + warm grade (luminous frosted glass, not murky).
  col = col + uShadow * (1.0 - col);
  col *= uBright;
  vec3 warm = vec3(1.0, 0.92, 0.80);
  col = mix(col, col * warm + vec3(0.03, 0.015, 0.0), uWarmth);

  // Drifting sun: a broad soft glow + a fine STATIC sparkle (per-cell) that
  // catches the ground-glass grain only where the light falls \u{2014} not all-over.
  vec2 sun = vec2(0.34 + 0.16 * sin(uTime * uSunSpeed),
                  0.26 + 0.10 * cos(uTime * uSunSpeed * 0.8));
  float glow = smoothstep(0.7, 0.0, distance(uv, sun));
  vec3 sunCol = vec3(1.0, 0.96, 0.88);
  col += sunCol * glow * (0.20 + (rnd - 0.5) * 0.18 * uSandblast) * uSun;

  gl_FragColor = vec4(clamp(col, 0.0, 1.0), 1.0);
}`,l=e=>"function"==typeof e.requestVideoFrameCallback&&"function"==typeof e.cancelVideoFrameCallback?e:null;var n=class{constructor(){this.gl=null,this.program=null,this.quad=null,this.videoTex=null,this.uniforms=new Map,this.videoHandle=null,this.rafId=null,this.rvfcHandle=null,this.usingRvfc=!1,this.stopped=!1,this.lastFrameAt=0,this.minFrameIntervalMs=33.333333333333336,this.startTime=0,this.loop=e=>{if(this.stopped||(this.scheduleNextFrame(),e-this.lastFrameAt<this.minFrameIntervalMs))return;this.lastFrameAt=e;let t=this.gl,r=this.videoHandle?.element;if(!t||!this.program)return;if(!r||r.readyState<2||!r.videoWidth)return void t.clear(t.COLOR_BUFFER_BIT);t.activeTexture(t.TEXTURE0),t.bindTexture(t.TEXTURE_2D,this.videoTex),t.texImage2D(t.TEXTURE_2D,0,t.RGBA,t.RGBA,t.UNSIGNED_BYTE,r);let a=(()=>{if("u"<typeof window)return i;let e=window.__incodePrivacyLensParams;return e?{...i,...e}:i})(),o=(e,r)=>{let a=this.uniforms.get(e);a&&t.uniform1f(a,r)},s=(e,r,a)=>{let i=this.uniforms.get(e);i&&t.uniform2f(i,r,a)};s("uRes",512,512),s("uVideoRes",r.videoWidth,r.videoHeight),o("uTime",(e-this.startTime)/1e3),o("uFrost",a.frost),o("uSandblast",a.sandblast),o("uGrainSize",a.grainSize),o("uWarmth",a.warmth),o("uBright",a.brightness),o("uShadow",a.shadowLift),o("uSun",a.sun),o("uSunSpeed",a.sunSpeed),t.drawArrays(t.TRIANGLE_STRIP,0,4)},this.canvas=document.createElement("canvas"),this.canvas.width=512,this.canvas.height=512}getCanvas(){return this.canvas}async start(e,t={}){this.minFrameIntervalMs=1e3/(t.maxFps??30),this.videoHandle=(0,a.t)(e,{keepStreamAlive:!0});try{if(this.initGl(),this.stopped)return;this.startTime=performance.now();let e=this.videoHandle.element;this.usingRvfc=!!l(e),this.scheduleNextFrame()}catch(e){throw this.stop(),e}return Promise.resolve()}stop(){this.stopped=!0,null!=this.rafId&&(cancelAnimationFrame(this.rafId),this.rafId=null);let e=this.videoHandle?.element;e&&null!=this.rvfcHandle&&(l(e)?.cancelVideoFrameCallback(this.rvfcHandle),this.rvfcHandle=null);let t=this.gl;t&&(this.program&&t.deleteProgram(this.program),this.quad&&t.deleteBuffer(this.quad),this.videoTex&&t.deleteTexture(this.videoTex),t.getExtension("WEBGL_lose_context")?.loseContext()),this.program=null,this.quad=null,this.videoTex=null,this.gl=null,this.videoHandle?.dispose(),this.videoHandle=null}initGl(){let e=this.canvas.getContext("webgl",{alpha:!1,antialias:!1,premultipliedAlpha:!1,preserveDrawingBuffer:!1})??this.canvas.getContext("experimental-webgl");if(!e)throw Error("PrivacyLensProvider: WebGL is not available");this.gl=e;let t=this.buildProgram(e,o,s);this.program=t,e.useProgram(t);let r=e.createBuffer();e.bindBuffer(e.ARRAY_BUFFER,r),e.bufferData(e.ARRAY_BUFFER,new Float32Array([-1,-1,1,-1,-1,1,1,1]),e.STATIC_DRAW);let a=e.getAttribLocation(t,"aPos");for(let i of(e.enableVertexAttribArray(a),e.vertexAttribPointer(a,2,e.FLOAT,!1,0,0),this.quad=r,this.videoTex=this.makeTexture(e,e.CLAMP_TO_EDGE),e.pixelStorei(e.UNPACK_FLIP_Y_WEBGL,!0),["uVideo","uRes","uVideoRes","uTime","uFrost","uSandblast","uGrainSize","uWarmth","uBright","uShadow","uSun","uSunSpeed"]))this.uniforms.set(i,e.getUniformLocation(t,i));e.uniform1i(this.uniforms.get("uVideo")??null,0),e.viewport(0,0,512,512),e.clearColor(.88,.86,.83,1)}buildProgram(e,t,r){let a=(t,r)=>{let a=e.createShader(t);if(!a)throw Error("PrivacyLensProvider: createShader failed");if(e.shaderSource(a,r),e.compileShader(a),!e.getShaderParameter(a,e.COMPILE_STATUS)){let t=e.getShaderInfoLog(a);throw e.deleteShader(a),Error(`PrivacyLensProvider: shader compile failed: ${t}`)}return a},i=a(e.VERTEX_SHADER,t),o=a(e.FRAGMENT_SHADER,r),s=e.createProgram();if(!s)throw Error("PrivacyLensProvider: createProgram failed");if(e.attachShader(s,i),e.attachShader(s,o),e.linkProgram(s),e.deleteShader(i),e.deleteShader(o),!e.getProgramParameter(s,e.LINK_STATUS)){let t=e.getProgramInfoLog(s);throw e.deleteProgram(s),Error(`PrivacyLensProvider: program link failed: ${t}`)}return s}makeTexture(e,t){let r=e.createTexture();if(!r)throw Error("PrivacyLensProvider: createTexture failed");return e.bindTexture(e.TEXTURE_2D,r),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,t),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,t),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.LINEAR),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.LINEAR),r}scheduleNextFrame(){if(this.stopped)return;let e=this.videoHandle?.element,t=this.usingRvfc&&e?l(e):null;t?this.rvfcHandle=t.requestVideoFrameCallback(this.loop):this.rafId=requestAnimationFrame(this.loop)}};function u(){return new n}}