| <!DOCTYPE html> |
| <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> |
| |
| var addtrackEventCount = 0; |
| |
| function trackAdded(event) |
| { |
| consoleWrite("EVENT(" + event.type + ")"); |
| compareTracks("event.track", "video.audioTracks[" + addtrackEventCount + "]"); |
| ++addtrackEventCount; |
| consoleWrite(""); |
| } |
| |
| function compareTracks(track1, track2) |
| { |
| var equal = (eval(track1) == eval(track2)); |
| reportExpected(equal, track1, "==", track2, track1); |
| } |
| |
| function canplaythrough() |
| { |
| consoleWrite("<br><i>** Check initial in-band track states<" + "/i>"); |
| testExpected("video.audioTracks.length", 1); |
| |
| consoleWrite("<br><i>** Unload video file, check track count<" + "/i>"); |
| run("video.src = ''"); |
| testExpected("video.audioTracks.length", 0); |
| |
| consoleWrite(""); |
| endTest(); |
| } |
| |
| function setup() |
| { |
| findMediaElement(); |
| video.audioTracks.addEventListener("addtrack", trackAdded); |
| video.src = findMediaFile('audio', '../content/silence'); |
| waitForEvent('canplaythrough', canplaythrough); |
| } |
| |
| </script> |
| </head> |
| <body onload="setup()"> |
| <video controls></video> |
| <p>In-band audio tracks.</p> |
| </body> |
| </html> |
