Content - b025a3ad6ce9d13e2344d47b0d485cff70d379a7 - 689fd20/mediacapture-fromelement/creation.html

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Tip revision: 67fd0f044a51ea8bf3c0946e040536a243009d05 authored by Mike Pennisi on 30 November 2018, 00:53:13 UTC
Trigger duplicate collection

Tip revision: 67fd0f0

creation.html

<!DOCTYPE html>
<html>
<head>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
</head>
<body>
<script>

// Run captureStream() on <video>/<audio>s and inspect the generated Stream.

var makeAsyncTest = function(filename, numTracks) {
  async_test(function() {
    var video = document.createElement('video');
    video.src = "/media/" + filename;
    video.onerror = this.unreached_func("<video> error");

    assert_true('captureStream' in video);

    var stream = video.captureStream();
    assert_not_equals(stream, null, "error generating stream");

    stream.onaddtrack = this.step_func_done(function() {
      var tracks = stream.getTracks();
      var idx;

      for (idx = 0; idx < tracks.length; idx += 1) {
        assert_equals(tracks[idx].readyState, 'live')
      }

      // The stream got a (number of) MediaStreamTracks added.
      assert_equals(stream.getVideoTracks().length, numTracks['vid'], 'video');
      assert_equals(stream.getAudioTracks().length, numTracks['aud'], 'audio');
    });
  }), "<video>.captureStream()";
};

generate_tests(makeAsyncTest, [
  [ "video-only", "test-v-128k-320x240-24fps-8kfr.webm", {vid : 1, aud : 0} ],
  [ "audio-only", "test-a-128k-44100Hz-1ch.webm", {vid : 0, aud : 1} ],
  [ "video+audio", "test-av-384k-44100Hz-1ch-320x240-30fps-10kfr.webm", {vid : 1, aud : 1} ]
]);

</script>
</body>
</html>

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