{"action":"created","issue":{"url":"https://api.github.com/repos/TheImagingSource/tiscamera/issues/65","repository_url":"https://api.github.com/repos/TheImagingSource/tiscamera","labels_url":"https://api.github.com/repos/TheImagingSource/tiscamera/issues/65/labels{/name}","comments_url":"https://api.github.com/repos/TheImagingSource/tiscamera/issues/65/comments","events_url":"https://api.github.com/repos/TheImagingSource/tiscamera/issues/65/events","html_url":"https://github.com/TheImagingSource/tiscamera/issues/65","id":155746616,"number":65,"title":"Long delay while streaming on Linux","user":{"login":"AHW-Cambridge-UK","id":19472823,"avatar_url":"https://avatars.githubusercontent.com/u/19472823?v=3","gravatar_id":"","url":"https://api.github.com/users/AHW-Cambridge-UK","html_url":"https://github.com/AHW-Cambridge-UK","followers_url":"https://api.github.com/users/AHW-Cambridge-UK/followers","following_url":"https://api.github.com/users/AHW-Cambridge-UK/following{/other_user}","gists_url":"https://api.github.com/users/AHW-Cambridge-UK/gists{/gist_id}","starred_url":"https://api.github.com/users/AHW-Cambridge-UK/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/AHW-Cambridge-UK/subscriptions","organizations_url":"https://api.github.com/users/AHW-Cambridge-UK/orgs","repos_url":"https://api.github.com/users/AHW-Cambridge-UK/repos","events_url":"https://api.github.com/users/AHW-Cambridge-UK/events{/privacy}","received_events_url":"https://api.github.com/users/AHW-Cambridge-UK/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":5,"created_at":"2016-05-19T14:12:05Z","updated_at":"2016-05-26T15:18:14Z","closed_at":"2016-05-26T08:28:28Z","body":"ImagingSource DMK 72AUC02 camera on a Raspberry Pi.\r\nFollowed instructions on https://github.com/TheImagingSource/tiscamera/wiki/Getting-Started-with-USB-2.0-cameras-on-a-Raspberry-PI-or-on-other-Linux-Systems\r\n\r\nI'm using the V4L2 video capture example from https://gist.github.com/TIS-Edgar/10f04501f49b6b3bf75e\r\nI call start_capturing(), then a thread makes repeated calls to snapFrame() and memcpy the buffer into an OpenCV Mat.\r\n\r\nThat all works nicely, thank you.\r\n\r\nI placed a clock with a second-hand in front of the camera, and I see the displayed image lag behind reality by about 2 seconds. This happens even with short exposure times of (say) 0.01s.\r\n\r\nAny suggestions would be very welcome.\r\nThanks in advance,\r\nAlasdair"},"comment":{"url":"https://api.github.com/repos/TheImagingSource/tiscamera/issues/comments/221902111","html_url":"https://github.com/TheImagingSource/tiscamera/issues/65#issuecomment-221902111","issue_url":"https://api.github.com/repos/TheImagingSource/tiscamera/issues/65","id":221902111,"user":{"login":"TIS-Stefan","id":4242120,"avatar_url":"https://avatars.githubusercontent.com/u/4242120?v=3","gravatar_id":"","url":"https://api.github.com/users/TIS-Stefan","html_url":"https://github.com/TIS-Stefan","followers_url":"https://api.github.com/users/TIS-Stefan/followers","following_url":"https://api.github.com/users/TIS-Stefan/following{/other_user}","gists_url":"https://api.github.com/users/TIS-Stefan/gists{/gist_id}","starred_url":"https://api.github.com/users/TIS-Stefan/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/TIS-Stefan/subscriptions","organizations_url":"https://api.github.com/users/TIS-Stefan/orgs","repos_url":"https://api.github.com/users/TIS-Stefan/repos","events_url":"https://api.github.com/users/TIS-Stefan/events{/privacy}","received_events_url":"https://api.github.com/users/TIS-Stefan/received_events","type":"User","site_admin":false},"created_at":"2016-05-26T15:18:14Z","updated_at":"2016-05-26T15:18:14Z","body":"Hello Alasdair\r\n\r\nYou mean, you buy a VW Golf and expect power rating of a big Mercedes? (I know, my pictures are  weird sometimes.) But you must admit: If you want to save money, you can not expect powerful computers.\r\n"}}
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