<!DOCTYPE HTML>
<html>
    <head>
        <script src=media-file.js></script>
        <script src=video-test.js></script>

        <script>
            var seekedEventCount = 0;
            var increment = 0;

            function seekIncrement()
            {
                // We want to verify that seeking by an increment smaller than the test movie's time scale
                // (the smallest unit of time in that file) succeeds. test.mp4 has a time scale of 2500, 
                // 0.0004 seconds, so start with that and decrease by half each time.
                if (!increment)
                    increment = 0.0004;
                else
                    increment /= 2;
                return increment;
            }

            function seeked()
            {
                if (++seekedEventCount == 8) {
                    consoleWrite("");
                    endTest();
                    return;
                }
                attemptSeek();
            }

            function attemptSeek()
            {
                var increment = seekIncrement();
                consoleWrite("<br>** Seeking by " + increment);
                video.currentTime += increment;
            }

            function start()
            {
                findMediaElement();
                video.src = findMediaFile("video", "content/test");

                waitForEvent('canplaythrough', attemptSeek);
                waitForEvent('seeked', seeked);
                waitForEvent('seeking');
                waitForEvent('play');
                waitForEvent('pause');
            }
        </script>
    </head>
    <body>
        <video controls></video>
        <p>Test seeking by very small increments.</p>
        <script>start()</script>
    </body>
</html>