| OLD | NEW |
|---|
| 1 <!DOCTYPE html> | 1 <!DOCTYPE html> |
| 2 <html> | 2 <html> |
| 3 <body> | 3 <body> |
| 4 </body> | 4 </body> |
| 5 <script> | 5 <script> |
| 6 function getQueryStrings() { | 6 function getQueryStrings() { |
| 7 // Gets query parameters from the URL; e.g., given a URL like: | 7 // Gets query parameters from the URL; e.g., given a URL like: |
| 8 // | 8 // |
| 9 // http://<url>/my.html?test=123&bob=456 | 9 // http://<url>/my.html?test=123&bob=456 |
| 10 // | 10 // |
| 11 // returns params["test"] = 123, params["bob"]=456, etc. | 11 // returns params["test"] = 123, params["bob"]=456, etc. |
| 12 var params = {}; | 12 var params = {}; |
| 13 // RegEx to split out values by &. |
| 14 var r = /([^&=]+)=?([^&]*)/g; |
| 15 // Lambda function for decoding extracted match values. Replaces '+' with |
| 16 // space so decodeURIComponent functions properly. |
| 17 function d(s) { return decodeURIComponent(s.replace(/\+/g, ' ')); } |
| 18 var match; |
| 19 while (match = r.exec(window.location.search.substring(1))) |
| 20 params[d(match[1])] = d(match[2]); |
| 21 return params; |
| 22 } |
| 23 // Each network config = [DOWNLOAD_BANDWIDTH_Kbit/s, LATENCY_MS] |
| 24 // Numbers are chosen to be similar to webpagereplay/net_configs.py |
| 25 var netConfig = {}; |
| 26 netConfig['cable'] = [5120, 28]; |
| 27 netConfig['dsl'] = [1536, 50]; |
| 28 netConfig['wifi'] = [1024, 60]; |
| 29 netConfig['none'] = null; |
| 30 // Constrained network server URL. |
| 31 var CNS_BASE_URL = 'http://cns.chrome:9000/ServeConstrained?'; |
| 13 | 32 |
| 14 // RegEx to split out values by &. | 33 function getNetsimURL(net) { |
| 15 var r = /([^&=]+)=?([^&]*)/g; | 34 if (!netConfig[net]) |
| 35 return CNS_BASE_URL; |
| 36 return CNS_BASE_URL + 'bandwidth=' + netConfig[net][0] + |
| 37 '&latency=' + netConfig[net][1] |
| 38 } |
| 16 | 39 |
| 17 // Lambda function for decoding extracted match values. Replaces '+' with | 40 function getMediaSRC() { |
| 18 // space so decodeURIComponent functions properly. | 41 var mediaSRC = qsParams['src'] |
| 19 function d(s) { return decodeURIComponent(s.replace(/\+/g, ' ')); } | 42 if (qsParams['net']) |
| 43 return getNetsimURL(qsParams['net']) + '&f=' + mediaSRC; |
| 44 return mediaSRC; |
| 45 } |
| 20 | 46 |
| 21 var match; | |
| 22 while (match = r.exec(window.location.search.substring(1))) | |
| 23 params[d(match[1])] = d(match[2]); | |
| 24 | |
| 25 return params; | |
| 26 } | |
| 27 qsParams = getQueryStrings(); | 47 qsParams = getQueryStrings(); |
| 28 if (qsParams["type"]) { | 48 var type = qsParams['type'] || 'video'; |
| 29 testElement = document.createElement(qsParams["type"]); | 49 var testElement = document.createElement(type); |
| 30 if (qsParams["id"]) | 50 testElement.preload = 'none'; |
| 31 testElement.id = qsParams["id"]; | 51 testElement.controls = true; |
| 32 testElement.preload = "none"; | 52 if (qsParams['id']) |
| 33 testElement.src = qsParams["src"]; | 53 testElement.id = qsParams['id']; |
| 34 testElement.controls = true; | 54 testElement.src = getMediaSRC(); |
| 35 document.body.appendChild(testElement); | 55 document.body.appendChild(testElement); |
| 36 } | |
| 37 </script> | 56 </script> |
| 38 </html> | 57 </html> |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 91623004:
Add media perf benchamrk under network simulations. (Closed)
Base URL: http://git.chromium.org/chromium/src.git@master