{"action":"created","issue":{"url":"https://api.github.com/repos/xiph/rav1e/issues/1262","repository_url":"https://api.github.com/repos/xiph/rav1e","labels_url":"https://api.github.com/repos/xiph/rav1e/issues/1262/labels{/name}","comments_url":"https://api.github.com/repos/xiph/rav1e/issues/1262/comments","events_url":"https://api.github.com/repos/xiph/rav1e/issues/1262/events","html_url":"https://github.com/xiph/rav1e/issues/1262","id":441256884,"node_id":"MDU6SXNzdWU0NDEyNTY4ODQ=","number":1262,"title":"Very Bad Edge Artifacting on Sintel","user":{"login":"dwbuiten","id":1189609,"node_id":"MDQ6VXNlcjExODk2MDk=","avatar_url":"https://avatars1.githubusercontent.com/u/1189609?v=4","gravatar_id":"","url":"https://api.github.com/users/dwbuiten","html_url":"https://github.com/dwbuiten","followers_url":"https://api.github.com/users/dwbuiten/followers","following_url":"https://api.github.com/users/dwbuiten/following{/other_user}","gists_url":"https://api.github.com/users/dwbuiten/gists{/gist_id}","starred_url":"https://api.github.com/users/dwbuiten/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/dwbuiten/subscriptions","organizations_url":"https://api.github.com/users/dwbuiten/orgs","repos_url":"https://api.github.com/users/dwbuiten/repos","events_url":"https://api.github.com/users/dwbuiten/events{/privacy}","received_events_url":"https://api.github.com/users/dwbuiten/received_events","type":"User","site_admin":false},"labels":[{"id":701246720,"node_id":"MDU6TGFiZWw3MDEyNDY3MjA=","url":"https://api.github.com/repos/xiph/rav1e/labels/bug","name":"bug","color":"ee0701","default":true},{"id":868889130,"node_id":"MDU6TGFiZWw4Njg4ODkxMzA=","url":"https://api.github.com/repos/xiph/rav1e/labels/high%20priority","name":"high priority","color":"e3f461","default":false}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":9,"created_at":"2019-05-07T14:13:42Z","updated_at":"2019-05-30T17:20:42Z","closed_at":null,"author_association":"COLLABORATOR","body":"Output file: http://chromashift.org/sintel.720.mp4 - look at ~11:52.\r\nEncoding parameters: Encoded via crav1e API, with: `speed=2:tile_cols_log2=1:tile_rows_log2=1:quantizer=255:bitrate=2252800:key_frame_interval=72:min_key_frame_interval=72`\r\n\r\nI can provide the exact lossless input sequence (with our zimg-based resizing, etc.) if that is useful. Just didn't yet because Big Files."},"comment":{"url":"https://api.github.com/repos/xiph/rav1e/issues/comments/497410284","html_url":"https://github.com/xiph/rav1e/issues/1262#issuecomment-497410284","issue_url":"https://api.github.com/repos/xiph/rav1e/issues/1262","id":497410284,"node_id":"MDEyOklzc3VlQ29tbWVudDQ5NzQxMDI4NA==","user":{"login":"dwbuiten","id":1189609,"node_id":"MDQ6VXNlcjExODk2MDk=","avatar_url":"https://avatars1.githubusercontent.com/u/1189609?v=4","gravatar_id":"","url":"https://api.github.com/users/dwbuiten","html_url":"https://github.com/dwbuiten","followers_url":"https://api.github.com/users/dwbuiten/followers","following_url":"https://api.github.com/users/dwbuiten/following{/other_user}","gists_url":"https://api.github.com/users/dwbuiten/gists{/gist_id}","starred_url":"https://api.github.com/users/dwbuiten/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/dwbuiten/subscriptions","organizations_url":"https://api.github.com/users/dwbuiten/orgs","repos_url":"https://api.github.com/users/dwbuiten/repos","events_url":"https://api.github.com/users/dwbuiten/events{/privacy}","received_events_url":"https://api.github.com/users/dwbuiten/received_events","type":"User","site_admin":false},"created_at":"2019-05-30T17:20:42Z","updated_at":"2019-05-30T17:20:42Z","author_association":"COLLABORATOR","body":"Current hypothesis is that the keyframe chosen after that scene change is too large and while it provides a very good reference frame for the subsequent frames, their quantizr is still 200-255, so the new (edge) bits look terrible."}}
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