37 lines
863 B
HTML
37 lines
863 B
HTML
<!DOCTYPE html>
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<html>
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<head>
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<style>
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.video {
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position: absolute;
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left: 10px;
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top: 50px;
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height: 360px;
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width: 680px;
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background-color: black;
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will-change: transform;
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}
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.masker {
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position: absolute;
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left: 10px;
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top: 50px;
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height: 360px;
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width: 680px;
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border-top: 50px solid white;
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border-right: 300px solid white;
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border-bottom: 50px solid white;
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border-left: 300px solid white;
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box-sizing: border-box;
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}
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</style>
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</head>
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<body>
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<p>Tests that the video frames of an HTMLVideoElement are black if no video MediaStreamTrack is enabled.</p>
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<div class="video"></div>
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<div class="masker"></div>
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</body>
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</html>
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