50 lines
1.5 KiB
JavaScript
50 lines
1.5 KiB
JavaScript
// META: global=window,dedicatedworker
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// META: script=/webcodecs/videoFrame-utils.js
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test(t => {
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let fmt = 'I420';
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let vfInit = {
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format: fmt,
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timestamp: 1234,
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codedWidth: 3,
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codedHeight: 3,
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visibleRect: {x: 0, y: 0, width: 3, height: 3},
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};
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let data = new Uint8Array([
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1, 2, 3, 4, 5, 6, 7, 8, 9, // y
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1, 2, 3, 4, // u
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1, 2, 3, 4, // v
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]);
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let frame = new VideoFrame(data, vfInit);
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assert_equals(frame.format, fmt, 'format');
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assert_equals(frame.visibleRect.x, 0, 'visibleRect.x');
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assert_equals(frame.visibleRect.y, 0, 'visibleRect.y');
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assert_equals(frame.visibleRect.width, 3, 'visibleRect.width');
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assert_equals(frame.visibleRect.height, 3, 'visibleRect.height');
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frame.close();
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}, 'Test I420 VideoFrame construction with odd coded size');
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promise_test(async t => {
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const init = {
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format: 'I420',
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timestamp: 0,
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codedWidth: 3,
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codedHeight: 3,
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};
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const buf = new Uint8Array([
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1, 2, 3, 4, 5, 6, 7, 8, 9, // y
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10, 11, 12, 13, // u
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14, 15, 16, 17, // v
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]);
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const expectedLayout = [
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{offset: 0, stride: 3},
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{offset: 9, stride: 2},
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{offset: 13, stride: 2},
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];
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const frame = new VideoFrame(buf, init);
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assert_equals(frame.allocationSize(), buf.length, 'allocationSize()');
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const data = new Uint8Array(buf.length);
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const layout = await frame.copyTo(data);
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assert_layout_equals(layout, expectedLayout);
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assert_buffer_equals(data, buf);
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}, 'Test I420 copyTo with odd coded size.');
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