Quelle test_debug_data_helpers.html Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/dom/media/test/test_debug_data_helpers.html

<!DOCTYPE html>
<html>
<head>
<title>Test the special debug APIs give expected data</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
<script type="text/javascript" src="manifest.js"></script>
<script class="testbody" type="text/javascript">
add_task(async function testMozRequestDebugInfo() {
  let video = document.createElement("video");
  video.src = "gizmo.mp4";
  document.body.appendChild(video);
  await video.play();
  let debugData = await SpecialPowers.wrap(video).mozRequestDebugInfo();
  // Verify various members are present and as expected.
  ok(debugData, "Should get some debug data");
  ok(debugData.decoder.hasAudio, "Should have audio");
  ok(debugData.decoder.hasVideo, "Should have video");
  is(
    debugData.decoder.reader.videoWidth,
    560,
    "Video should have expected width"
  );
  is(
    debugData.decoder.reader.videoHeight,
    320,
    "Video should have expected height"
  );
  ok(
    debugData.decoder.stateMachine.mediaTime >= 0,
    "Media time should be positive"
  );
  removeNodeAndSource(video);
});

add_task(async function testMozDebugReaderData() {
  let video = document.createElement("video");
  let mediaSource = new MediaSource();
  video.src = URL.createObjectURL(mediaSource);
  await once(mediaSource, "sourceopen");
  const sourceBuffer = mediaSource.addSourceBuffer("video/webm");
  let fetchResponse = await fetch("bipbop_short_vp8.webm");
  sourceBuffer.appendBuffer(await fetchResponse.arrayBuffer());
  await once(sourceBuffer, "updateend");
  mediaSource.endOfStream();
  await once(mediaSource, "sourceended");
  document.body.appendChild(video);
  await video.play();
  let debugData = await SpecialPowers.wrap(mediaSource).mozDebugReaderData();
  // Verify various members are present and as expected.
  ok(debugData, "Should get some debug data");
  is(debugData.reader.videoWidth, 400, "Video should have expected width");
  is(debugData.reader.videoHeight, 300, "Video should have expected height");
  ok(
    debugData.demuxer.audioTrack.numSamples > 0,
    "Audio track should have demuxed some samples"
  );
  ok(
    debugData.demuxer.audioTrack.ranges.length,
    "Audio track should have some buffered range"
  );
  ok(
    debugData.demuxer.videoTrack.numSamples > 0,
    "Video track should have demuxed some samples"
  );
  ok(
    debugData.demuxer.videoTrack.ranges.length,
    "Video track should have some buffered range"
  );
  removeNodeAndSource(video);
});
</script>
</head>
</html>

Messung V0.5

¤ Dauer der Verarbeitung: 0.1 Sekunden (vorverarbeitet) ¤

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Cephes Mathematical Library

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