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Issue 8802030:
Introduce new PyAuto test to measure EPT, TTP metrics. (Closed)
Base URL: http://git.chromium.org/chromium/src.git@master| OLD | NEW |
|---|---|
| (Empty) | |
| 1 <!-- Used by media_cn_perf to record EPT, TTP values for a specified video. --> | |
| 2 <!DOCTYPE html> | |
| 3 <html lang="en-US"> | |
| 4 <head> | |
| 5 <title>Constrained Video Test</title> | |
| 6 </head> | |
| 7 | |
| 8 <body> | |
| 9 <video id="video" autoplay/> | |
| 10 </body> | |
| 11 | |
| 12 <script type="text/javascript"> | |
| 13 var video = document.getElementById('video'); | |
| 14 | |
| 15 // Tracks time when page load completes and src= is set. | |
| 16 var loadTime | |
| 17 | |
| 18 // Tracks time when playback starts. | |
| 19 var startTime; | |
| 20 | |
| 21 // Metrics we want to record. See media_cn_perf for more details. Use -1 to | |
| 22 // let the PyAuto controller we haven't recorded these values yet. | |
|
Nirnimesh
2011/12/06 22:15:05
s/let/indicate/
DaleCurtis
2011/12/06 23:42:54
Done.
| |
| 23 var extra_play_time = -1, time_to_playback = -1; | |
| 24 | |
| 25 video.addEventListener('playing', function(event) { | |
| 26 startTime = new Date().getTime(); | |
| 27 | |
| 28 time_to_playback = Math.max(0, startTime - loadTime); | |
| 29 }, false); | |
| 30 | |
| 31 video.addEventListener('ended', function(event) { | |
| 32 playTime = new Date().getTime() - startTime; | |
| 33 durMs = video.duration * 1000; | |
| 34 | |
| 35 extra_play_time = Math.max(0, (playTime - durMs) / durMs) | |
| 36 }, false); | |
| 37 | |
| 38 // Called by the PyAuto controller to initiate testing. | |
| 39 function startTest(src) { | |
| 40 loadTime = new Date().getTime(); | |
| 41 video.src = src | |
| 42 | |
| 43 if (window.domAutomationController) | |
| 44 window.domAutomationController.send(true); | |
| 45 } | |
| 46 </script> | |
| 47 </html> | |
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