{"action":"opened","issue":{"url":"https://api.github.com/repos/BradLarson/GPUImage/issues/2243","repository_url":"https://api.github.com/repos/BradLarson/GPUImage","labels_url":"https://api.github.com/repos/BradLarson/GPUImage/issues/2243/labels{/name}","comments_url":"https://api.github.com/repos/BradLarson/GPUImage/issues/2243/comments","events_url":"https://api.github.com/repos/BradLarson/GPUImage/issues/2243/events","html_url":"https://github.com/BradLarson/GPUImage/issues/2243","id":144571449,"number":2243,"title":"GPUImageRawDataOutput  very slow ","user":{"login":"maytrue","id":1849557,"avatar_url":"https://avatars.githubusercontent.com/u/1849557?v=3","gravatar_id":"","url":"https://api.github.com/users/maytrue","html_url":"https://github.com/maytrue","followers_url":"https://api.github.com/users/maytrue/followers","following_url":"https://api.github.com/users/maytrue/following{/other_user}","gists_url":"https://api.github.com/users/maytrue/gists{/gist_id}","starred_url":"https://api.github.com/users/maytrue/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/maytrue/subscriptions","organizations_url":"https://api.github.com/users/maytrue/orgs","repos_url":"https://api.github.com/users/maytrue/repos","events_url":"https://api.github.com/users/maytrue/events{/privacy}","received_events_url":"https://api.github.com/users/maytrue/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2016-03-30T12:20:39Z","updated_at":"2016-03-30T12:20:39Z","closed_at":null,"body":"Hi,\r\n\r\nI use setNewFrameAvailableBlock to get output of GPUImageFilter, but preview went not smoothly.\r\n\r\nHow can I improve the performance?"}}