videoFrame-drawImage-hbd.any.js

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /webcodecs/videoFrame-drawImage-hbd.any.html - WPT Dashboard Interop Dashboard
- /webcodecs/videoFrame-drawImage-hbd.any.worker.html - WPT Dashboard Interop Dashboard

// META: global=window,dedicatedworker

// META: script=/webcodecs/utils.js

test(_ => {

  let width = 48;

  let height = 36;

  let expectedPixel = kSRGBPixel;

  let canvasOptions = undefined;

  let imageSetting = undefined;

  let tolerance = 5;

  let vfInit =

      {format: 'I420P10', timestamp: 0, codedWidth: width, codedHeight: height};

  let data = new Uint16Array(3 * width * height / 2);

  let uOffset = width * height;

  let vOffset = uOffset + width * height / 4;

  // RGB(50, 100, 150) converted to 8-bit YCbCr using BT.709 YUV matrix, then

  // shifted to produce approximate 10-bit YUV colors. It would be more accurate

  // to directly compute 10-bit colors.

  data.fill(96 << 2, 0, uOffset);

  data.fill(155 << 2, uOffset, vOffset);

  data.fill(104 << 2, vOffset);

  let frame = new VideoFrame(data, vfInit);

  let canvas = new OffscreenCanvas(width, height);

  let ctx = canvas.getContext('2d', canvasOptions);

  ctx.drawImage(frame, 0, 0);

  testCanvas(ctx, width, height, expectedPixel, imageSetting,

             (actual, expected) => {

                 assert_approx_equals(actual, expected, tolerance);

});

  frame.close();

}, 'drawImage with 10-bit YUV VideoFrame');