| <!DOCTYPE html><!-- webkit-test-runner [ enableModernMediaControls=false ] --> |
| <html> |
| <head> |
| <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> |
| |
| <script src=../media-file.js></script> |
| <script src=../video-test.js></script> |
| <script> |
| // Don't hard code the number of tracks, because ports may |
| // disagree. All that matters is that the number doesn't change. |
| var numTracks; |
| |
| function storeTrackNumber() |
| { |
| consoleWrite("<br><i>** Storing number of tracks and reloading video</i>"); |
| testExpected("video.textTracks.length", 0, ">"); |
| run("numTracks = video.textTracks.length"); |
| |
| var source = document.createElement("source"); |
| source.src = '../content/counting-subtitled.m4v'; |
| video.replaceChild(source, video.firstChild); |
| |
| waitForEventAndEnd("canplaythrough", checkTrackNumber); |
| } |
| |
| function checkTrackNumber() |
| { |
| consoleWrite("<br><i>** Loaded video again, checking if tracks number is the same</i>"); |
| reportExpected(video.textTracks.length == numTracks, "video.textTracks.length", "==", "numTracks", numTracks); |
| } |
| |
| function setup() |
| { |
| findMediaElement(); |
| // This bug only occurs when using the <source> element. |
| // Don't change this to use video.src. |
| var source = document.createElement("source"); |
| source.src = '../content/counting-subtitled.m4v'; |
| video.appendChild(source); |
| waitForEventOnce('canplaythrough', storeTrackNumber); |
| } |
| |
| </script> |
| </head> |
| <body onload="setup()"> |
| <video controls></video> |
| <p>When changing the source for a video, we shouldn't get duplicate in-band tracks.</p> |
| </body> |
| </html> |
