mediasource-changetype.html

Enable keyboard shortcuts

This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /media-source/mediasource-changetype.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<!-- Copyright © 2018 Chromium authors and World Wide Web Consortium, (Massachusetts Institute of Technology, ERCIM, Keio University, Beihang). -->

<html>

    <head>

        <meta  charset="utf-8">

        <title>SourceBuffer.changeType() test cases.</title>

        <script src="/resources/testharness.js"></script>

        <script src="/resources/testharnessreport.js"></script>

        <script src="mediasource-util.js"></script>

    </head>

    <body>

        <div id="log"></div>

        <script>

mediasource_test(function(test, mediaElement, mediaSource)

    var sourceBuffer = mediaSource.addSourceBuffer(MediaSourceUtil.AUDIO_VIDEO_TYPE);

    assert_throws_js(TypeError, function()

        sourceBuffer.changeType("");

    }, "changeType");

    test.done();

}, "Test changeType with an empty type.");

mediasource_test(function(test, mediaElement, mediaSource)

    var sourceBuffer = mediaSource.addSourceBuffer(MediaSourceUtil.AUDIO_VIDEO_TYPE);

    mediaSource.removeSourceBuffer(sourceBuffer);

    assert_throws_dom("InvalidStateError", function()

        sourceBuffer.changeType(MediaSourceUtil.AUDIO_VIDEO_TYPE);

    }, "changeType");

    test.done();

}, "Test changeType after SourceBuffer removed from mediaSource.");

mediasource_test(function(test, mediaElement, mediaSource)

    var sourceBuffer = mediaSource.addSourceBuffer(MediaSourceUtil.AUDIO_VIDEO_TYPE);

    sourceBuffer.appendBuffer(new Uint8Array(0));

    assert_true(sourceBuffer.updating, "Updating flag set when a buffer is appended.");

    assert_throws_dom("InvalidStateError", function()

        sourceBuffer.changeType(MediaSourceUtil.AUDIO_VIDEO_TYPE);

    }, "changeType");

    test.done();

}, "Test changeType while update pending.");

mediasource_test(function(test, mediaElement, mediaSource)

    var sourceBuffer = mediaSource.addSourceBuffer(MediaSourceUtil.AUDIO_VIDEO_TYPE);

    var unsupported_type = null;

    assert_false(MediaSource.isTypeSupported(unsupported_type), "null MIME type is not expected to be supported.");

    assert_throws_dom("NotSupportedError", function()

        sourceBuffer.changeType(unsupported_type);

    }, "changeType");

    test.done();

}, "Test changeType with null type.");

mediasource_test(function(test, mediaElement, mediaSource)

    var sourceBuffer = mediaSource.addSourceBuffer(MediaSourceUtil.AUDIO_VIDEO_TYPE);

    var unsupported_type = 'invalidType';

    assert_false(MediaSource.isTypeSupported(unsupported_type), unsupported_type + " is not expected to be supported.");

    assert_throws_dom("NotSupportedError", function()

        sourceBuffer.changeType(unsupported_type);

    }, "changeType");

    test.done();

}, "Test changeType with unsupported type.");

mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)

    test.expectEvent(sourceBuffer, "updatestart");

    test.expectEvent(sourceBuffer, "update");

    test.expectEvent(sourceBuffer, "updateend");

    sourceBuffer.appendBuffer(mediaData);

    test.waitForExpectedEvents(function()

        mediaSource.endOfStream();

        assert_equals(mediaSource.readyState, "ended");

        test.expectEvent(mediaSource, "sourceopen");

        sourceBuffer.changeType(MediaSourceUtil.AUDIO_VIDEO_TYPE);

        assert_equals(mediaSource.readyState, "open");

});

    test.waitForExpectedEvents(function()

        test.done();

});

}, "Test changeType transitioning readyState from 'ended' to 'open'.");

mediasource_test(function(test, mediaElement, mediaSource) {

    var sequenceType = "audio/aac";

    if (!MediaSource.isTypeSupported(sequenceType)) {

      sequenceType = "audio/mpeg";

      assert_true(MediaSource.isTypeSupported(sequenceType),

                  "No bytestream that generates timestamps is supported, aborting test");

    assert_not_equals(MediaSourceUtil.AUDIO_ONLY_TYPE, sequenceType,

                      "This test requires distinct audio-only types");

    var sourceBuffer = mediaSource.addSourceBuffer(MediaSourceUtil.AUDIO_ONLY_TYPE);

    assert_equals(sourceBuffer.mode, "segments",

                  "None of the audioOnlyTypes in the test util generate timestamps, but mode is incorrectly set");

    sourceBuffer.changeType(sequenceType);

    assert_equals(sourceBuffer.mode, "sequence",

                  "Mode is not updated correctly for a bytestream that generates timestamps");

    test.done();

}, "Test changeType sets mode to sequence for change to type that generates timestamps");

mediasource_test(function(test, mediaElement, mediaSource) {

    var sourceBuffer = mediaSource.addSourceBuffer(MediaSourceUtil.AUDIO_ONLY_TYPE);

    assert_equals(sourceBuffer.mode, "segments",

                  "None of the audioOnlyTypes in the test util generate timestamps, but mode is incorrectly set");

    sourceBuffer.changeType(MediaSourceUtil.AUDIO_ONLY_TYPE);

    assert_equals(sourceBuffer.mode, "segments",

                  "Previous segments mode is not retained correctly for changeType to one that doesn't generate timestamps");

    sourceBuffer.mode = "sequence";

    assert_equals(sourceBuffer.mode, "sequence", "mode should be sequence now");

    sourceBuffer.changeType(MediaSourceUtil.AUDIO_ONLY_TYPE);

    assert_equals(sourceBuffer.mode, "sequence",

                  "Previous sequence mode is not retained correctly for changeType to one that doesn't generate timestamps");

    test.done();

}, "Test changeType retains previous mode when changing to type that doesn't generate timestamps");

        </script>

    </body>

</html>