{"action":"closed","issue":{"url":"https://api.github.com/repos/pupil-labs/pupil/issues/552","repository_url":"https://api.github.com/repos/pupil-labs/pupil","labels_url":"https://api.github.com/repos/pupil-labs/pupil/issues/552/labels{/name}","comments_url":"https://api.github.com/repos/pupil-labs/pupil/issues/552/comments","events_url":"https://api.github.com/repos/pupil-labs/pupil/issues/552/events","html_url":"https://github.com/pupil-labs/pupil/issues/552","id":195814143,"number":552,"title":"Windows: FPS graph does not show rates above 60fps","user":{"login":"mkassner","id":1433767,"avatar_url":"https://avatars.githubusercontent.com/u/1433767?v=3","gravatar_id":"","url":"https://api.github.com/users/mkassner","html_url":"https://github.com/mkassner","followers_url":"https://api.github.com/users/mkassner/followers","following_url":"https://api.github.com/users/mkassner/following{/other_user}","gists_url":"https://api.github.com/users/mkassner/gists{/gist_id}","starred_url":"https://api.github.com/users/mkassner/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mkassner/subscriptions","organizations_url":"https://api.github.com/users/mkassner/orgs","repos_url":"https://api.github.com/users/mkassner/repos","events_url":"https://api.github.com/users/mkassner/events{/privacy}","received_events_url":"https://api.github.com/users/mkassner/received_events","type":"User","site_admin":false},"labels":[{"id":52428140,"url":"https://api.github.com/repos/pupil-labs/pupil/labels/bug","name":"bug","color":"fc2929","default":true},{"id":301365475,"url":"https://api.github.com/repos/pupil-labs/pupil/labels/priority:high","name":"priority:high","color":"eb6420","default":false},{"id":86353434,"url":"https://api.github.com/repos/pupil-labs/pupil/labels/Windows","name":"Windows","color":"fbca04","default":false}],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":4,"created_at":"2016-12-15T14:07:42Z","updated_at":"2016-12-16T08:56:22Z","closed_at":"2016-12-16T08:56:22Z","body":"A bit of investigation using the Bundle shows that:\r\n\r\n - The rate is in fact 120fps or at least twice that of 60 fps.\r\n - The exported timestamps in the raw_data export csv file show a low granularly as well as multiple frames with the same timestamps. \r\n\r\nMy guess is that the time source under windows is not good enough. And this problem creates consecutive frames with the same timestamp. \r\n\r\nThe fix need to happen in https://github.com/pupil-labs/pyuvc/blob/master/windows_time.pxi\r\n\r\nMy guess is that using something like https://msdn.microsoft.com/en-us/library/windows/desktop/ms644904(v=vs.85).aspx will solve this issue."}}
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