Quelle test_temporaryfile_stream.html Sprache: HTML

products/sources/formale Sprachen/C/Firefox/dom/ipc/tests/test_temporaryfile_stream.html

<!DOCTYPE HTML>
<html>
<head>
  <title>Send an nsTemporaryFileInputStream cross-process</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script src="/tests/dom/canvas/test/captureStream_common.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<pre id="test">
<div id="content">
</div>
<script class="testbody" type="text/javascript">
function startTest() {
  var canvas = document.createElement("canvas");
  canvas.width = canvas.height = 100;
  document.getElementById("content").appendChild(canvas);

  // eslint-disable-next-line no-undef
  var helper = new CaptureStreamTestHelper2D(100, 100);
  helper.drawColor(canvas, helper.red);

  var stream = canvas.captureStream(0);

  var blob;

  let mediaRecorder = new MediaRecorder(stream);
  is(mediaRecorder.stream, stream,
     "Media recorder stream = canvas stream at the start of recording");

  mediaRecorder.onwarning = () => ok(false, "warning unexpectedly fired");

  mediaRecorder.onerror = () => ok(false, "Recording failed");

  mediaRecorder.ondataavailable = ev => {
    is(blob, undefined, "Should only get one dataavailable event");
    blob = ev.data;
  };

  mediaRecorder.onstart = () => {
    info("Got 'start' event");
    // We just want one frame encoded, to see that the recorder produces something readable.
    mediaRecorder.stop();
  };

  mediaRecorder.onstop = () => {
    info("Got 'stop' event");
    ok(blob, "Should have gotten a data blob");
    var xhr = new XMLHttpRequest();
    xhr.open("POST", "blob_verify.sjs", true);
    xhr.onload = () => {
      var video = document.createElement("video");
      video.id = "recorded-video";
      video.src = URL.createObjectURL(xhr.response);
      video.play();
      video.onerror = () => {
        ok(false, "Should be able to play the recording. Got error. code=" + video.error.code);
        SimpleTest.finish();
      };
      document.getElementById("content").appendChild(video);
      helper.pixelMustBecome(video, helper.red, {
        threshold: 128,
        infoString: "Should become red",
      }).then(SimpleTest.finish);
    };
    xhr.onerror = () => {
      ok(false, "XHR error");
      SimpleTest.finish();
    };
    xhr.responseType = "blob";
    xhr.send(blob);
  };

  mediaRecorder.start();
  is(mediaRecorder.state, "recording", "Media recorder should be recording");
}

SimpleTest.waitForExplicitFinish();
SpecialPowers.pushPrefEnv({set: [["media.recorder.max_memory", 1]]}, startTest);
</script>
</pre>
</body>
</html>

Messung V0.5

¤ Dauer der Verarbeitung: 0.20 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.