testing/web-platform/tests/media-source/mediasource-invalid-codec.html

   1 <!DOCTYPE html>
   2 <html>
   3 <head>
   4     <meta charset="utf-8">
   5     <title>SourceBuffer handling of invalid codecs in the initialization segment</title>
   6     <link rel="author" title="Alicia Boya García" href="mailto:aboya@igalia.com">
   7     <script src="/resources/testharness.js"></script>
   8     <script src="/resources/testharnessreport.js"></script>
   9     <script src="mediasource-util.js"></script>
  10 </head>
  11 <body>
  12 <div id="log"></div>
  13 <script>
  14     function testInvalidCodec(test, mediaElement, mediaSource, mediaType, url) {
  15         assert_true(MediaSource.isTypeSupported(mediaType), `Media type not supported in this browser: isTypeSupported('${mediaType}')`);
  16
  17         MediaSourceUtil.loadBinaryData(test, url, (mediaData) => {
  18             _testInvalidCodecWithData(test, mediaElement, mediaSource, mediaType, mediaData);
  19         });
  20     }
  21
  22     function _testInvalidCodecWithData(test, mediaElement, mediaSource, mediaType, mediaData) {
  23         const sourceBuffer = mediaSource.addSourceBuffer(mediaType);
  24         sourceBuffer.appendBuffer(mediaData);
  25         test.expectEvent(sourceBuffer, 'error', 'Append ended with error');
  26         test.waitForExpectedEvents(() => {
  27             test.done();
  28         })
  29     }
  30
  31     // These test cases provide a typical media MIME type, but the actual files have been mangled to declare a different,
  32     // unsupported, fictitious codec (MP4 fourcc: 'zzzz', WebM codec id 'V_ZZZ'). The browser should report a parsing
  33     // error.
  34
  35     mediasource_test((test, mediaElement, mediaSource) => {
  36         testInvalidCodec(test, mediaElement, mediaSource, 'video/mp4;codecs="avc1.4D4001"', 'mp4/invalid-codec.mp4');
  37     }, 'Test an MP4 with an invalid codec results in an error.');
  38
  39     mediasource_test((test, mediaElement, mediaSource) => {
  40         testInvalidCodec(test, mediaElement, mediaSource, 'video/webm; codecs="vp8"', 'webm/invalid-codec.webm');
  41     }, 'Test a WebM with an invalid codec results in an error.');
  42
  43 </script>
  44 </body>
  45 </html>