servo/tests/wpt/web-platform-tests/webcodecs/videoFrame-createImageBitmap.any.js

// META: global=window,dedicatedworker
// META: script=/webcodecs/utils.js

function testImageBitmapToAndFromVideoFrame(width, height, expectedPixel,
  canvasOptions, imageBitmapOptions, imageSetting) {
  let canvas = new OffscreenCanvas(width, height);
  let ctx = canvas.getContext('2d', canvasOptions);
  ctx.fillStyle = 'rgb(50, 100, 150)';
  ctx.fillRect(0, 0, width, height);
  testCanvas(ctx, width, height, expectedPixel, imageSetting, assert_equals);

  return createImageBitmap(canvas, imageBitmapOptions)
    .then((fromImageBitmap) => {
      let videoFrame = new VideoFrame(fromImageBitmap, {
        timestamp: 0
      });
      return createImageBitmap(videoFrame, imageBitmapOptions);
    })
    .then((toImageBitmap) => {
      let myCanvas = new OffscreenCanvas(width, height);
      let myCtx = myCanvas.getContext('2d', canvasOptions);
      myCtx.drawImage(toImageBitmap, 0, 0);
      let tolerance = 2;
      testCanvas(myCtx, width, height, expectedPixel, imageSetting, (actual, expected) => {
        assert_approx_equals(actual, expected, tolerance);
      });
    });
}

promise_test(() => {
  return testImageBitmapToAndFromVideoFrame(48, 36, kSRGBPixel);
}, 'ImageBitmap<->VideoFrame with canvas(48x36 srgb uint8).');

promise_test(() => {
  return testImageBitmapToAndFromVideoFrame(480, 360, kSRGBPixel);
}, 'ImageBitmap<->VideoFrame with canvas(480x360 srgb uint8).');

promise_test(() => {
  return testImageBitmapToAndFromVideoFrame(48, 36, kP3Pixel,
    kCanvasOptionsP3Uint8, {
      colorSpaceConversion: "none"
    }, kImageSettingOptionsP3Uint8);
}, 'ImageBitmap<->VideoFrame with canvas(48x36 display-p3 uint8).');

promise_test(() => {
  return testImageBitmapToAndFromVideoFrame(480, 360, kP3Pixel,
    kCanvasOptionsP3Uint8, {
      colorSpaceConversion: "none"
    }, kImageSettingOptionsP3Uint8);
}, 'ImageBitmap<->VideoFrame with canvas(480x360 display-p3 uint8).');

promise_test(() => {
  return testImageBitmapToAndFromVideoFrame(48, 36, kRec2020Pixel,
    kCanvasOptionsRec2020Uint8, {
      colorSpaceConversion: "none"
    }, kImageSettingOptionsRec2020Uint8);
}, 'ImageBitmap<->VideoFrame with canvas(48x36 rec2020 uint8).');

promise_test(() => {
  return testImageBitmapToAndFromVideoFrame(480, 360, kRec2020Pixel,
    kCanvasOptionsRec2020Uint8, {
      colorSpaceConversion: "none"
    }, kImageSettingOptionsRec2020Uint8);
}, 'ImageBitmap<->VideoFrame with canvas(480x360 rec2020 uint8).');